Section 3: Library Functions

A B C D E F G H I J K L M N O P Q R S T U V W X Y
Section index

A

a64l(3)
convert between long and base-64
abort(3)
cause abnormal process termination
abs(3)
compute the absolute value of an integer
acos(3)
arc cosine function
acosf(3)
arc cosine function
acosh(3)
inverse hyperbolic cosine function
acoshf(3)
inverse hyperbolic cosine function
acoshl(3)
inverse hyperbolic cosine function
acosl(3)
arc cosine function
addmntent(3)
get filesystem descriptor file entry
addseverity(3)
introduce new severity classes
adjtime(3)
correct the time to synchronize the system clock
__after_morecore_hook(3)
malloc debugging variables
aio_cancel(3)
cancel an outstanding asynchronous I/O request
aio_error(3)
get error status of asynchronous I/O operation
aio_fsync(3)
asynchronous file synchronization
aio_init(3)
asynchronous I/O initialization
aio_read(3)
asynchronous read
aio_return(3)
get return status of asynchronous I/O operation
aio_suspend(3)
wait for asynchronous I/O operation or timeout
aio_write(3)
asynchronous write
Algorithm::Diff(3pm)
Compute `intelligent' differences between two files /...
Algorithm::Diff::XS(3pm)
Algorithm::Diff with XS core loop
Algorithm::DiffOld(3pm)
Compute `intelligent' differences between two file...
Algorithm::Merge(3pm)
Three-way merge and diff
aligned_alloc(3)
allocate aligned memory
alloca(3)
allocate memory that is automatically freed
alphasort(3)
scan a directory for matching entries
argz(3)
functions to handle an argz list
argz_add(3)
functions to handle an argz list
argz_add_sep(3)
functions to handle an argz list
argz_append(3)
functions to handle an argz list
argz_count(3)
functions to handle an argz list
argz_create(3)
functions to handle an argz list
argz_create_sep(3)
functions to handle an argz list
argz_delete(3)
functions to handle an argz list
argz_extract(3)
functions to handle an argz list
argz_insert(3)
functions to handle an argz list
argz_next(3)
functions to handle an argz list
argz_replace(3)
functions to handle an argz list
argz_stringify(3)
functions to handle an argz list
asctime(3)
transform date and time to broken-down time or ASCII
asctime_r(3)
transform date and time to broken-down time or ASCII
asin(3)
arc sine function
asinf(3)
arc sine function
asinh(3)
inverse hyperbolic sine function
asinhf(3)
inverse hyperbolic sine function
asinhl(3)
inverse hyperbolic sine function
asinl(3)
arc sine function
asprintf(3)
print to allocated string
assert(3)
abort the program if assertion is false
assert_perror(3)
test errnum and abort
atan(3)
arc tangent function
atan2(3)
arc tangent function of two variables
atan2f(3)
arc tangent function of two variables
atan2l(3)
arc tangent function of two variables
atanf(3)
arc tangent function
atanh(3)
inverse hyperbolic tangent function
atanhf(3)
inverse hyperbolic tangent function
atanhl(3)
inverse hyperbolic tangent function
atanl(3)
arc tangent function
atexit(3)
register a function to be called at normal process ter...
atof(3)
convert a string to a double
atoi(3)
convert a string to an integer
atol(3)
convert a string to an integer
atoll(3)
convert a string to an integer
atoq(3)
convert a string to an integer
auth_destroy(3)
library routines for remote procedure calls
authnone_create(3)
library routines for remote procedure calls
authunix_create(3)
library routines for remote procedure calls
authunix_create_default(3)
library routines for remote procedure calls
avc_add_callback(3)
additional event notification for SELinux userspace ob...
avc_audit(3)
obtain and audit SELinux access decisions
avc_av_stats(3)
obtain userspace SELinux AVC statistics
avc_cache_stats(3)
obtain userspace SELinux AVC statistics
avc_cleanup(3)
userspace SELinux AVC setup and teardown
avc_compute_create(3)
obtain SELinux label for new object
avc_compute_member(3)
obtain SELinux label for new object
avc_context_to_sid(3)
obtain and manipulate SELinux security ID's
avc_destroy(3)
userspace SELinux AVC setup and teardown
avc_entry_ref_init(3)
obtain and audit SELinux access decisions
avc_get_initial_context(3)
obtain and manipulate SELinux security ID's
avc_get_initial_sid(3)
obtain and manipulate SELinux security ID's
avc_has_perm(3)
obtain and audit SELinux access decisions
avc_has_perm_noaudit(3)
obtain and audit SELinux access decisions
avc_init(3)
legacy userspace SELinux AVC setup
avc_netlink_acquire_fd(3)
SELinux netlink processing
avc_netlink_check_nb(3)
SELinux netlink processing
avc_netlink_close(3)
SELinux netlink processing
avc_netlink_loop(3)
SELinux netlink processing
avc_netlink_open(3)
SELinux netlink processing
avc_netlink_release_fd(3)
SELinux netlink processing
avc_open(3)
userspace SELinux AVC setup and teardown
avc_reset(3)
userspace SELinux AVC setup and teardown
avc_sid_stats(3)
obtain userspace SELinux AVC statistics
avc_sid_to_context(3)
obtain and manipulate SELinux security ID's

B

backtrace(3)
support for application self-debugging
backtrace_symbols(3)
support for application self-debugging
backtrace_symbols_fd(3)
support for application self-debugging
basename(3)
parse pathname components
bcmp(3)
compare byte sequences
bcopy(3)
copy byte sequence
be16toh(3)
convert values between host and big-/little-endian byt...
be32toh(3)
convert values between host and big-/little-endian byt...
be64toh(3)
convert values between host and big-/little-endian byt...
bind_textdomain_codeset(3)
set encoding of message translations
bindresvport(3)
bind a socket to a privileged IP port
bindtextdomain(3)
set directory containing message catalogs
bsd_signal(3)
signal handling with BSD semantics
bsearch(3)
binary search of a sorted array
bstring(3)
byte string operations
bswap(3)
reverse order of bytes
bswap_16(3)
reverse order of bytes
bswap_32(3)
reverse order of bytes
bswap_64(3)
reverse order of bytes
btowc(3)
convert single byte to wide character
btree(3)
btree database access method
byteorder(3)
convert values between host and network byte order
bzero(3)
zero a byte string

C

cabs(3)
absolute value of a complex number
cabsf(3)
absolute value of a complex number
cabsl(3)
absolute value of a complex number
cacos(3)
complex arc cosine
cacosf(3)
complex arc cosine
cacosh(3)
complex arc hyperbolic cosine
cacoshf(3)
complex arc hyperbolic cosine
cacoshl(3)
complex arc hyperbolic cosine
cacosl(3)
complex arc cosine
calloc(3)
allocate and free dynamic memory
callrpc(3)
library routines for remote procedure calls
canonicalize_file_name(3)
return the canonicalized absolute pathname
carg(3)
calculate the complex argument
cargf(3)
calculate the complex argument
cargl(3)
calculate the complex argument
casin(3)
complex arc sine
casinf(3)
complex arc sine
casinh(3)
complex arc sine hyperbolic
casinhf(3)
complex arc sine hyperbolic
casinhl(3)
complex arc sine hyperbolic
casinl(3)
complex arc sine
catan(3)
complex arc tangents
catanf(3)
complex arc tangents
catanh(3)
complex arc tangents hyperbolic
catanhf(3)
complex arc tangents hyperbolic
catanhl(3)
complex arc tangents hyperbolic
catanl(3)
complex arc tangents
catclose(3)
open/close a message catalog
catgets(3)
get message from a message catalog
catopen(3)
open/close a message catalog
cbc_crypt(3)
fast DES encryption
cbrt(3)
cube root function
cbrtf(3)
cube root function
cbrtl(3)
cube root function
ccos(3)
complex cosine function
ccosf(3)
complex cosine function
ccosh(3)
complex hyperbolic cosine
ccoshf(3)
complex hyperbolic cosine
ccoshl(3)
complex hyperbolic cosine
ccosl(3)
complex cosine function
ceil(3)
ceiling function: smallest integral value not less tha...
ceilf(3)
ceiling function: smallest integral value not less tha...
ceill(3)
ceiling function: smallest integral value not less tha...
cexp(3)
complex exponential function
cexp2(3)
base-2 exponent of a complex number
cexp2f(3)
base-2 exponent of a complex number
cexp2l(3)
base-2 exponent of a complex number
cexpf(3)
complex exponential function
cexpl(3)
complex exponential function
cfgetispeed(3)
get and set terminal attributes, line control, get and...
cfgetospeed(3)
get and set terminal attributes, line control, get and...
cfmakeraw(3)
get and set terminal attributes, line control, get and...
cfree(3)
free allocated memory
cfsetispeed(3)
get and set terminal attributes, line control, get and...
cfsetospeed(3)
get and set terminal attributes, line control, get and...
cfsetspeed(3)
get and set terminal attributes, line control, get and...
CGI(3pm)
Handle Common Gateway Interface requests and responses
CGI::Carp(3pm)
CGI routines for writing to the HTTPD (or other) error...
CGI::Cookie(3pm)
Interface to HTTP Cookies
CGI::Fast(3pm)
CGI Interface for Fast CGI
CGI::HTML::Functions(3pm)
Documentation for CGI.pm Legacy HTML Functionality
CGI::Pretty(3pm)
module to produce nicely formatted HTML code
CGI::Push(3pm)
Simple Interface to Server Push
CGI::Util(3pm)
Internal utilities used by CGI module
checkPasswdAccess(3)
query the SELinux policy database in the kernel
cimag(3)
get imaginary part of a complex number
cimagf(3)
get imaginary part of a complex number
cimagl(3)
get imaginary part of a complex number
CIRCLEQ_ENTRY(3)
implementations of singly-linked lists, singly-linked ...
CIRCLEQ_HEAD(3)
implementations of singly-linked lists, singly-linked ...
CIRCLEQ_INIT(3)
implementations of singly-linked lists, singly-linked ...
CIRCLEQ_INSERT_AFTER(3)
implementations of singly-linked lists, singly-lin...
CIRCLEQ_INSERT_BEFORE(3)
implementations of singly-linked lists, singly-li...
CIRCLEQ_INSERT_HEAD(3)
implementations of singly-linked lists, singly-link...
CIRCLEQ_INSERT_TAIL(3)
implementations of singly-linked lists, singly-link...
CIRCLEQ_REMOVE(3)
implementations of singly-linked lists, singly-linked ...
Class::Accessor(3pm)
Automated accessor generation
Class::Accessor::Fast(3pm)
Faster, but less expandable, accessors
Class::Accessor::Faster(3pm)
Even faster, but less expandable, accessors
Class::ISA(3pm)
report the search path for a class's ISA tree
clearenv(3)
clear the environment
clearerr(3)
check and reset stream status
clearerr_unlocked(3)
nonlocking stdio functions
clnt_broadcast(3)
library routines for remote procedure calls
clnt_call(3)
library routines for remote procedure calls
clnt_control(3)
library routines for remote procedure calls
clnt_create(3)
library routines for remote procedure calls
clnt_destroy(3)
library routines for remote procedure calls
clnt_freeres(3)
library routines for remote procedure calls
clnt_geterr(3)
library routines for remote procedure calls
clnt_pcreateerror(3)
library routines for remote procedure calls
clnt_perrno(3)
library routines for remote procedure calls
clnt_perror(3)
library routines for remote procedure calls
clnt_spcreateerror(3)
library routines for remote procedure calls
clnt_sperrno(3)
library routines for remote procedure calls
clnt_sperror(3)
library routines for remote procedure calls
clntraw_create(3)
library routines for remote procedure calls
clnttcp_create(3)
library routines for remote procedure calls
clntudp_bufcreate(3)
library routines for remote procedure calls
clntudp_create(3)
library routines for remote procedure calls
clock(3)
determine processor time
clock_getcpuclockid(3)
obtain ID of a process CPU-time clock
clock_getres(3)
clock and time functions
clock_gettime(3)
clock and time functions
clock_settime(3)
clock and time functions
clog(3)
natural logarithm of a complex number
clog10(3)
base-10 logarithm of a complex number
clog10f(3)
base-10 logarithm of a complex number
clog10l(3)
base-10 logarithm of a complex number
clog2(3)
base-2 logarithm of a complex number
clog2f(3)
base-2 logarithm of a complex number
clog2l(3)
base-2 logarithm of a complex number
clogf(3)
natural logarithm of a complex number
clogl(3)
natural logarithm of a complex number
closedir(3)
close a directory
closelog(3)
send messages to the system logger
cmsg(3)
access ancillary data
CMSG_ALIGN(3)
access ancillary data
CMSG_DATA(3)
access ancillary data
CMSG_FIRSTHDR(3)
access ancillary data
CMSG_LEN(3)
access ancillary data
CMSG_NXTHDR(3)
access ancillary data
CMSG_SPACE(3)
access ancillary data
confstr(3)
get configuration dependent string variables
conj(3)
calculate the complex conjugate
conjf(3)
calculate the complex conjugate
conjl(3)
calculate the complex conjugate
context_free(3)
Routines to manipulate SELinux security contexts
context_new(3)
Routines to manipulate SELinux security contexts
context_range_get(3)
Routines to manipulate SELinux security contexts
context_range_set(3)
Routines to manipulate SELinux security contexts
context_role_get(3)
Routines to manipulate SELinux security contexts
context_role_set(3)
Routines to manipulate SELinux security contexts
context_type_get(3)
Routines to manipulate SELinux security contexts
context_type_set(3)
Routines to manipulate SELinux security contexts
context_user_get(3)
Routines to manipulate SELinux security contexts
context_user_set(3)
Routines to manipulate SELinux security contexts
copysign(3)
copy sign of a number
copysignf(3)
copy sign of a number
copysignl(3)
copy sign of a number
cos(3)
cosine function
cosf(3)
cosine function
cosh(3)
hyperbolic cosine function
coshf(3)
hyperbolic cosine function
coshl(3)
hyperbolic cosine function
cosl(3)
cosine function
cpow(3)
complex power function
cpowf(3)
complex power function
cpowl(3)
complex power function
cproj(3)
project into Riemann Sphere
cprojf(3)
project into Riemann Sphere
cprojl(3)
project into Riemann Sphere
CPU_ALLOC(3)
macros for manipulating CPU sets
CPU_ALLOC_SIZE(3)
macros for manipulating CPU sets
CPU_AND(3)
macros for manipulating CPU sets
CPU_AND_S(3)
macros for manipulating CPU sets
CPU_CLR(3)
macros for manipulating CPU sets
CPU_CLR_S(3)
macros for manipulating CPU sets
CPU_COUNT(3)
macros for manipulating CPU sets
CPU_COUNT_S(3)
macros for manipulating CPU sets
CPU_EQUAL(3)
macros for manipulating CPU sets
CPU_EQUAL_S(3)
macros for manipulating CPU sets
CPU_FREE(3)
macros for manipulating CPU sets
CPU_ISSET(3)
macros for manipulating CPU sets
CPU_ISSET_S(3)
macros for manipulating CPU sets
CPU_OR(3)
macros for manipulating CPU sets
CPU_OR_S(3)
macros for manipulating CPU sets
CPU_SET(3)
macros for manipulating CPU sets
CPU_SET_S(3)
macros for manipulating CPU sets
CPU_XOR(3)
macros for manipulating CPU sets
CPU_XOR_S(3)
macros for manipulating CPU sets
CPU_ZERO(3)
macros for manipulating CPU sets
CPU_ZERO_S(3)
macros for manipulating CPU sets
creal(3)
get real part of a complex number
crealf(3)
get real part of a complex number
creall(3)
get real part of a complex number
crypt(3)
password and data encryption
crypt_r(3)
password and data encryption
csin(3)
complex sine function
csinf(3)
complex sine function
csinh(3)
complex hyperbolic sine
csinhf(3)
complex hyperbolic sine
csinhl(3)
complex hyperbolic sine
csinl(3)
complex sine function
csqrt(3)
complex square root
csqrtf(3)
complex square root
csqrtl(3)
complex square root
ctan(3)
complex tangent function
ctanf(3)
complex tangent function
ctanh(3)
complex hyperbolic tangent
ctanhf(3)
complex hyperbolic tangent
ctanhl(3)
complex hyperbolic tangent
ctanl(3)
complex tangent function
ctermid(3)
get controlling terminal name
ctime(3)
transform date and time to broken-down time or ASCII
ctime_r(3)
transform date and time to broken-down time or ASCII
cuserid(3)
get username

D

daemon(3)
run in the background
Date::Format(3pm)
Date formating subroutines
Date::Language(3pm)
Language specific date formating and parsing
Date::Language::Bulgarian(3pm)
localization for Date::Format
Date::Language::Hungarian(3pm)
Magyar format for Date::Format
Date::Parse(3pm)
Parse date strings into time values
daylight(3)
initialize time conversion information
db(3)
database access methods
dbopen(3)
database access methods
dcgettext(3)
translate message
dcngettext(3)
translate message and choose plural form
des_crypt(3)
fast DES encryption
DES_FAILED(3)
fast DES encryption
des_setparity(3)
fast DES encryption
dgettext(3)
translate message
difftime(3)
calculate time difference
dirfd(3)
get directory stream file descriptor
dirname(3)
parse pathname components
div(3)
compute quotient and remainder of an integer division
dl_iterate_phdr(3)
walk through list of shared objects
dladdr(3)
translate address to symbolic information
dladdr1(3)
translate address to symbolic information
dlclose(3)
open and close a shared object
dlerror(3)
obtain error diagnostic for functions in the dlopen API
dlinfo(3)
obtain information about a dynamically loaded object
dlmopen(3)
open and close a shared object
dlopen(3)
open and close a shared object
dlsym(3)
obtain address of a symbol in a shared object or execu...
dlvsym(3)
obtain address of a symbol in a shared object or execu...
dn_comp(3)
resolver routines
dn_expand(3)
resolver routines
dngettext(3)
translate message and choose plural form
Dpkg(3perl)
module with core variables
Dpkg::Arch(3perl)
handle architectures
Dpkg::Build::Env(3perl)
track build environment
Dpkg::Build::Info(3perl)
handle build information
Dpkg::Build::Types(3perl)
track build types
Dpkg::BuildFlags(3perl)
query build flags
Dpkg::BuildOptions(3perl)
parse and update build options
Dpkg::BuildProfiles(3perl)
handle build profiles
Dpkg::Changelog(3perl)
base class to implement a changelog parser
Dpkg::Changelog::Debian(3perl)
parse Debian changelogs
Dpkg::Changelog::Entry(3perl)
represents a changelog entry
Dpkg::Changelog::Entry::Debian(3perl)
represents a Debian changelog entry
Dpkg::Changelog::Parse(3perl)
generic changelog parser for dpkg-parsechang...
Dpkg::Checksums(3perl)
generate and manipulate file checksums
Dpkg::Compression(3perl)
simple database of available compression methods
Dpkg::Compression::FileHandle(3perl)
object dealing transparently with fil...
Dpkg::Compression::Process(3perl)
run compression/decompression processes
Dpkg::Conf(3perl)
parse dpkg configuration files
Dpkg::Control(3perl)
parse and manipulate official control-like information
Dpkg::Control::Changelog(3perl)
represent info fields output by dpkg-parse...
Dpkg::Control::Fields(3perl)
manage (list of official) control fields
Dpkg::Control::FieldsCore(3perl)
manage (list of official) control fields
Dpkg::Control::Hash(3perl)
parse and manipulate a block of RFC822-like fields
Dpkg::Control::HashCore(3perl)
parse and manipulate a block of RFC822-like...
Dpkg::Control::Info(3perl)
parse files like debian/control
Dpkg::Control::Tests(3perl)
parse files like debian/tests/control
Dpkg::Control::Tests::Entry(3perl)
represents a test suite entry
Dpkg::Control::Types(3perl)
export CTRL_* constants
Dpkg::Deps(3perl)
parse and manipulate dependencies of Debian packages
Dpkg::Exit(3perl)
program exit handlers
Dpkg::Gettext(3perl)
convenience wrapper around Locale::gettext
Dpkg::Index(3perl)
generic index of control information
Dpkg::Interface::Storable(3perl)
common methods related to object serializ...
Dpkg::IPC(3perl)
helper functions for IPC
Dpkg::Path(3perl)
some common path handling functions
Dpkg::Source::Package(3perl)
manipulate Debian source packages
Dpkg::Substvars(3perl)
handle variable substitution in strings
Dpkg::Vendor(3perl)
get access to some vendor specific information
Dpkg::Vendor::Debian(3perl)
Debian vendor object
Dpkg::Vendor::Default(3perl)
default vendor object
Dpkg::Vendor::Ubuntu(3perl)
Ubuntu vendor object
Dpkg::Version(3perl)
handling and comparing dpkg-style version numbers
dprintf(3)
formatted output conversion
drand48(3)
generate uniformly distributed pseudo-random numbers
drand48_r(3)
generate uniformly distributed pseudo-random numbers r...
drem(3)
floating-point remainder function
dremf(3)
floating-point remainder function
dreml(3)
floating-point remainder function
duplocale(3)
duplicate a locale object
dysize(3)
get number of days for a given year

E

eaccess(3)
check effective user's permissions for a file
ecb_crypt(3)
fast DES encryption
ecvt(3)
convert a floating-point number to a string
ecvt_r(3)
convert a floating-point number to a string
edata(3)
end of program segments
Encode::Locale(3pm)
Determine the locale encoding
encrypt(3)
encrypt 64-bit messages
encrypt_r(3)
encrypt 64-bit messages
end(3)
end of program segments
endaliasent(3)
read an alias entry
endfsent(3)
handle fstab entries
endgrent(3)
get group file entry
endhostent(3)
get network host entry
endian(3)
convert values between host and big-/little-endian byt...
endmntent(3)
get filesystem descriptor file entry
endnetent(3)
get network entry
endnetgrent(3)
handle network group entries
endprotoent(3)
get protocol entry
endpwent(3)
get password file entry
endrpcent(3)
get RPC entry
endservent(3)
get service entry
endspent(3)
get shadow password file entry
endttyent(3)
get ttys file entry
endusershell(3)
get permitted user shells
endutent(3)
access utmp file entries
endutxent(3)
access utmp file entries
envz(3)
environment string support
envz_add(3)
environment string support
envz_entry(3)
environment string support
envz_get(3)
environment string support
envz_merge(3)
environment string support
envz_remove(3)
environment string support
envz_strip(3)
environment string support
erand48(3)
generate uniformly distributed pseudo-random numbers
erand48_r(3)
generate uniformly distributed pseudo-random numbers r...
erf(3)
error function
erfc(3)
complementary error function
erfcf(3)
complementary error function
erfcl(3)
complementary error function
erff(3)
error function
erfl(3)
error function
err(3)
formatted error messages
errno(3)
number of last error
Error(3pm)
Error/exception handling in an OO-ish way
error(3)
glibc error reporting functions
Error::Simple(3pm)
the simple error sub-class of Error
error_at_line(3)
glibc error reporting functions
error_message_count(3)
glibc error reporting functions
error_one_per_line(3)
glibc error reporting functions
error_print_progname(3)
glibc error reporting functions
errx(3)
formatted error messages
etext(3)
end of program segments
ether_aton(3)
Ethernet address manipulation routines
ether_aton_r(3)
Ethernet address manipulation routines
ether_hostton(3)
Ethernet address manipulation routines
ether_line(3)
Ethernet address manipulation routines
ether_ntoa(3)
Ethernet address manipulation routines
ether_ntoa_r(3)
Ethernet address manipulation routines
ether_ntohost(3)
Ethernet address manipulation routines
euidaccess(3)
check effective user's permissions for a file
eventfd_read(3)
create a file descriptor for event notification
eventfd_write(3)
create a file descriptor for event notification
exec(3)
execute a file
execl(3)
execute a file
execle(3)
execute a file
execlp(3)
execute a file
execv(3)
execute a file
execvp(3)
execute a file
execvpe(3)
execute a file
exit(3)
cause normal process termination
exp(3)
base-e exponential function
exp10(3)
base-10 exponential function
exp10f(3)
base-10 exponential function
exp10l(3)
base-10 exponential function
exp2(3)
base-2 exponential function
exp2f(3)
base-2 exponential function
exp2l(3)
base-2 exponential function
expf(3)
base-e exponential function
expl(3)
base-e exponential function
explicit_bzero(3)
zero a byte string
expm1(3)
exponential minus 1
expm1f(3)
exponential minus 1
expm1l(3)
exponential minus 1

F

fabs(3)
absolute value of floating-point number
fabsf(3)
absolute value of floating-point number
fabsl(3)
absolute value of floating-point number
__fbufsize(3)
interfaces to stdio FILE structure
FCGI(3pm)
Fast CGI module
fclose(3)
close a stream
fcloseall(3)
close all open streams
fcvt(3)
convert a floating-point number to a string
fcvt_r(3)
convert a floating-point number to a string
FD_CLR(3)
synchronous I/O multiplexing
FD_ISSET(3)
synchronous I/O multiplexing
FD_SET(3)
synchronous I/O multiplexing
FD_ZERO(3)
synchronous I/O multiplexing
fdim(3)
positive difference
fdimf(3)
positive difference
fdiml(3)
positive difference
fdopen(3)
stream open functions
fdopendir(3)
open a directory
feclearexcept(3)
floating-point rounding and exception handling
fedisableexcept(3)
floating-point rounding and exception handling
feenableexcept(3)
floating-point rounding and exception handling
fegetenv(3)
floating-point rounding and exception handling
fegetexcept(3)
floating-point rounding and exception handling
fegetexceptflag(3)
floating-point rounding and exception handling
fegetround(3)
floating-point rounding and exception handling
feholdexcept(3)
floating-point rounding and exception handling
fenv(3)
floating-point rounding and exception handling
feof(3)
check and reset stream status
feof_unlocked(3)
nonlocking stdio functions
feraiseexcept(3)
floating-point rounding and exception handling
ferror(3)
check and reset stream status
ferror_unlocked(3)
nonlocking stdio functions
fesetenv(3)
floating-point rounding and exception handling
fesetexceptflag(3)
floating-point rounding and exception handling
fesetround(3)
floating-point rounding and exception handling
fetestexcept(3)
floating-point rounding and exception handling
feupdateenv(3)
floating-point rounding and exception handling
fexecve(3)
execute program specified via file descriptor
fflush(3)
flush a stream
fflush_unlocked(3)
nonlocking stdio functions
ffs(3)
find first bit set in a word
ffsl(3)
find first bit set in a word
ffsll(3)
find first bit set in a word
fgetc(3)
input of characters and strings
fgetc_unlocked(3)
nonlocking stdio functions
fgetfilecon(3)
get SELinux security context of a file
fgetfilecon_raw(3)
get SELinux security context of a file
fgetgrent(3)
get group file entry
fgetgrent_r(3)
get group file entry reentrantly
fgetpos(3)
reposition a stream
fgetpwent(3)
get password file entry
fgetpwent_r(3)
get passwd file entry reentrantly
fgets(3)
input of characters and strings
fgets_unlocked(3)
nonlocking stdio functions
fgetspent(3)
get shadow password file entry
fgetspent_r(3)
get shadow password file entry
fgetwc(3)
read a wide character from a FILE stream
fgetwc_unlocked(3)
nonlocking stdio functions
fgetws(3)
read a wide-character string from a FILE stream
fgetws_unlocked(3)
nonlocking stdio functions
File::FcntlLock(3pm)
File locking with fcntl(2)
File::FcntlLock::Inline(3pm)
File locking with fcntl(2)
File::FcntlLock::Pure(3pm)
File locking with fcntl(2)
File::FcntlLock::XS(3pm)
File locking with fcntl(2)
filefuncs(3am)
provide some file related functionality to gawk
fileno(3)
check and reset stream status
fileno_unlocked(3)
nonlocking stdio functions
fini_selinuxmnt(3)
initialize the global variable selinux_mnt
finite(3)
BSD floating-point classification functions
finitef(3)
BSD floating-point classification functions
finitel(3)
BSD floating-point classification functions
__flbf(3)
interfaces to stdio FILE structure
flockfile(3)
lock FILE for stdio
floor(3)
largest integral value not greater than argument
floorf(3)
largest integral value not greater than argument
floorl(3)
largest integral value not greater than argument
_flushlbf(3)
interfaces to stdio FILE structure
fma(3)
floating-point multiply and add
fmaf(3)
floating-point multiply and add
fmal(3)
floating-point multiply and add
fmax(3)
determine maximum of two floating-point numbers
fmaxf(3)
determine maximum of two floating-point numbers
fmaxl(3)
determine maximum of two floating-point numbers
fmemopen(3)
open memory as stream
fmin(3)
determine minimum of two floating-point numbers
fminf(3)
determine minimum of two floating-point numbers
fminl(3)
determine minimum of two floating-point numbers
fmod(3)
floating-point remainder function
fmodf(3)
floating-point remainder function
fmodl(3)
floating-point remainder function
fmtmsg(3)
print formatted error messages
fnmatch(3)
match filename or pathname
fnmatch(3am)
compare a string against a filename wildcard
fopen(3)
stream open functions
fopencookie(3)
opening a custom stream
fork(3am)
basic process management
forkpty(3)
terminal utility functions
fpathconf(3)
get configuration values for files
fpclassify(3)
floating-point classification macros
__fpending(3)
interfaces to stdio FILE structure
fprintf(3)
formatted output conversion
__fpurge(3)
purge a stream
fpurge(3)
purge a stream
fputc(3)
output of characters and strings
fputc_unlocked(3)
nonlocking stdio functions
fputs(3)
output of characters and strings
fputs_unlocked(3)
nonlocking stdio functions
fputwc(3)
write a wide character to a FILE stream
fputwc_unlocked(3)
nonlocking stdio functions
fputws(3)
write a wide-character string to a FILE stream
fputws_unlocked(3)
nonlocking stdio functions
fread(3)
binary stream input/output
fread_unlocked(3)
nonlocking stdio functions
__freadable(3)
interfaces to stdio FILE structure
__freading(3)
interfaces to stdio FILE structure
free(3)
allocate and free dynamic memory
__free_hook(3)
malloc debugging variables
freeaddrinfo(3)
network address and service translation
freecon(3)
get SELinux security context of a process
freeconary(3)
get SELinux security context of a process
freehostent(3)
get network hostnames and addresses
freeifaddrs(3)
get interface addresses
freelocale(3)
create, modify, and free a locale object
freopen(3)
stream open functions
frexp(3)
convert floating-point number to fractional and integr...
frexpf(3)
convert floating-point number to fractional and integr...
frexpl(3)
convert floating-point number to fractional and integr...
fscanf(3)
input format conversion
fseek(3)
reposition a stream
fseeko(3)
seek to or report file position
fsetfilecon(3)
set SELinux security context of a file
fsetfilecon_raw(3)
set SELinux security context of a file
__fsetlocking(3)
interfaces to stdio FILE structure
fsetpos(3)
reposition a stream
fstatvfs(3)
get filesystem statistics
ftell(3)
reposition a stream
ftello(3)
seek to or report file position
ftime(3)
return date and time
ftok(3)
convert a pathname and a project identifier to a Syste...
ftrylockfile(3)
lock FILE for stdio
fts(3)
traverse a file hierarchy
fts_children(3)
traverse a file hierarchy
fts_close(3)
traverse a file hierarchy
fts_open(3)
traverse a file hierarchy
fts_read(3)
traverse a file hierarchy
fts_set(3)
traverse a file hierarchy
ftw(3)
file tree walk
funlockfile(3)
lock FILE for stdio
futimens(3)
change file timestamps with nanosecond precision
futimes(3)
change file timestamps
fwide(3)
set and determine the orientation of a FILE stream
fwprintf(3)
formatted wide-character output conversion
__fwritable(3)
interfaces to stdio FILE structure
fwrite(3)
binary stream input/output
fwrite_unlocked(3)
nonlocking stdio functions
__fwriting(3)
interfaces to stdio FILE structure

G

gai.conf(5)
getaddrinfo(3) configuration file
gai_cancel(3)
asynchronous network address and service translation
gai_error(3)
asynchronous network address and service translation
gai_strerror(3)
network address and service translation
gai_suspend(3)
asynchronous network address and service translation
gamma(3)
(logarithm of the) gamma function
gammaf(3)
(logarithm of the) gamma function
gammal(3)
(logarithm of the) gamma function
gcvt(3)
convert a floating-point number to a string
get_avphys_pages(3)
get total and available physical page counts
get_current_dir_name(3)
get current working directory
get_default_context(3)
determine SELinux context(s) for user sessions
get_default_context_with_level(3)
determine SELinux context(s) for user se...
get_default_context_with_role(3)
determine SELinux context(s) for user ses...
get_default_context_with_rolelevel(3)
determine SELinux context(s) for use...
get_default_type(3)
determine SELinux context(s) for user sessions
get_myaddress(3)
library routines for remote procedure calls
get_nprocs(3)
get number of processors
get_nprocs_conf(3)
get number of processors
get_ordered_context_list(3)
determine SELinux context(s) for user sessions
get_ordered_context_list_with_level(3)
determine SELinux context(s) for us...
get_phys_pages(3)
get total and available physical page counts
getaddrinfo(3)
network address and service translation
getaddrinfo_a(3)
asynchronous network address and service translation
getaliasbyname(3)
read an alias entry
getaliasbyname_r(3)
read an alias entry
getaliasent(3)
read an alias entry
getaliasent_r(3)
read an alias entry
getauxval(3)
retrieve a value from the auxiliary vector
getc(3)
input of characters and strings
getc_unlocked(3)
nonlocking stdio functions
getchar(3)
input of characters and strings
getchar_unlocked(3)
nonlocking stdio functions
getcon(3)
get SELinux security context of a process
getcon_raw(3)
get SELinux security context of a process
getcontext(3)
get or set the user context
getcwd(3)
get current working directory
getdate(3)
convert a date-plus-time string to broken-down time
getdate_err(3)
convert a date-plus-time string to broken-down time
getdate_r(3)
convert a date-plus-time string to broken-down time
getdelim(3)
delimited string input
getdirentries(3)
get directory entries in a filesystem-independent format
getdtablesize(3)
get file descriptor table size
getentropy(3)
fill a buffer with random bytes
getenv(3)
get an environment variable
getexeccon(3)
get or set the SELinux security context used for execu...
getexeccon_raw(3)
get or set the SELinux security context used for execu...
getfilecon(3)
get SELinux security context of a file
getfilecon_raw(3)
get SELinux security context of a file
getfscreatecon(3)
get or set the SELinux security context used for creat...
getfscreatecon_raw(3)
get or set the SELinux security context used for cre...
getfsent(3)
handle fstab entries
getfsfile(3)
handle fstab entries
getfsspec(3)
handle fstab entries
getgrent(3)
get group file entry
getgrent_r(3)
get group file entry reentrantly
getgrgid(3)
get group file entry
getgrgid_r(3)
get group file entry
getgrnam(3)
get group file entry
getgrnam_r(3)
get group file entry
getgrouplist(3)
get list of groups to which a user belongs
gethostbyaddr(3)
get network host entry
gethostbyaddr_r(3)
get network host entry
gethostbyname(3)
get network host entry
gethostbyname2(3)
get network host entry
gethostbyname2_r(3)
get network host entry
gethostbyname_r(3)
get network host entry
gethostent(3)
get network host entry
gethostent_r(3)
get network host entry
gethostid(3)
get or set the unique identifier of the current host
getifaddrs(3)
get interface addresses
getipnodebyaddr(3)
get network hostnames and addresses
getipnodebyname(3)
get network hostnames and addresses
getkeycreatecon(3)
get or set the SELinux security context used for creat...
getkeycreatecon_raw(3)
get or set the SELinux security context used for cr...
getline(3)
delimited string input
getloadavg(3)
get system load averages
getlogin(3)
get username
getlogin_r(3)
get username
getmntent(3)
get filesystem descriptor file entry
getmntent_r(3)
get filesystem descriptor file entry
getnameinfo(3)
address-to-name translation in protocol-independent ma...
getnetbyaddr(3)
get network entry
getnetbyaddr_r(3)
get network entry (reentrant)
getnetbyname(3)
get network entry
getnetbyname_r(3)
get network entry (reentrant)
getnetent(3)
get network entry
getnetent_r(3)
get network entry (reentrant)
getnetgrent(3)
handle network group entries
getnetgrent_r(3)
handle network group entries
getopt(3)
Parse command-line options
getopt_long(3)
Parse command-line options
getopt_long_only(3)
Parse command-line options
getpass(3)
get a password
getpeercon(3)
get SELinux security context of a process
getpeercon_raw(3)
get SELinux security context of a process
getpidcon(3)
get SELinux security context of a process
getpidcon_raw(3)
get SELinux security context of a process
getprevcon(3)
get SELinux security context of a process
getprevcon_raw(3)
get SELinux security context of a process
getprotobyname(3)
get protocol entry
getprotobyname_r(3)
get protocol entry (reentrant)
getprotobynumber(3)
get protocol entry
getprotobynumber_r(3)
get protocol entry (reentrant)
getprotoent(3)
get protocol entry
getprotoent_r(3)
get protocol entry (reentrant)
getpt(3)
open the pseudoterminal master (PTM)
getpw(3)
reconstruct password line entry
getpwent(3)
get password file entry
getpwent_r(3)
get passwd file entry reentrantly
getpwnam(3)
get password file entry
getpwnam_r(3)
get password file entry
getpwuid(3)
get password file entry
getpwuid_r(3)
get password file entry
getrpcbyname(3)
get RPC entry
getrpcbyname_r(3)
get RPC entry (reentrant)
getrpcbynumber(3)
get RPC entry
getrpcbynumber_r(3)
get RPC entry (reentrant)
getrpcent(3)
get RPC entry
getrpcent_r(3)
get RPC entry (reentrant)
getrpcport(3)
get RPC port number
gets(3)
get a string from standard input (DEPRECATED)
getservbyname(3)
get service entry
getservbyname_r(3)
get service entry (reentrant)
getservbyport(3)
get service entry
getservbyport_r(3)
get service entry (reentrant)
getservent(3)
get service entry
getservent_r(3)
get service entry (reentrant)
getseuserbyname(3)
get SELinux username and level for a given Linux username
getsockcreatecon(3)
get or set the SELinux security context used for creat...
getsockcreatecon_raw(3)
get or set the SELinux security context used for c...
getspent(3)
get shadow password file entry
getspent_r(3)
get shadow password file entry
getspnam(3)
get shadow password file entry
getspnam_r(3)
get shadow password file entry
getsubopt(3)
parse suboption arguments from a string
gettext(3)
translate message
getttyent(3)
get ttys file entry
getttynam(3)
get ttys file entry
getumask(3)
get file creation mask
getusershell(3)
get permitted user shells
getutent(3)
access utmp file entries
getutent_r(3)
access utmp file entries
getutid(3)
access utmp file entries
getutid_r(3)
access utmp file entries
getutline(3)
access utmp file entries
getutline_r(3)
access utmp file entries
getutmp(3)
copy utmp structure to utmpx, and vice versa
getutmpx(3)
copy utmp structure to utmpx, and vice versa
getutxent(3)
access utmp file entries
getutxid(3)
access utmp file entries
getutxline(3)
access utmp file entries
getw(3)
input and output of words (ints)
getwc(3)
read a wide character from a FILE stream
getwc_unlocked(3)
nonlocking stdio functions
getwchar(3)
read a wide character from standard input
getwchar_unlocked(3)
nonlocking stdio functions
getwd(3)
get current working directory
Git(3pm)
Perl interface to the Git version control system
glob(3)
find pathnames matching a pattern, free memory from gl...
globfree(3)
find pathnames matching a pattern, free memory from gl...
gmtime(3)
transform date and time to broken-down time or ASCII
gmtime_r(3)
transform date and time to broken-down time or ASCII
gnu_dev_major(3)
manage a device number
gnu_dev_makedev(3)
manage a device number
gnu_dev_minor(3)
manage a device number
gnu_get_libc_release(3)
get glibc version and release
gnu_get_libc_version(3)
get glibc version and release
grantpt(3)
grant access to the slave pseudoterminal
group_member(3)
test whether a process is in a group
gsignal(3)
software signal facility

H

h_errno(3)
get network host entry
hash(3)
hash database access method
hasmntopt(3)
get filesystem descriptor file entry
hcreate(3)
hash table management
hcreate_r(3)
hash table management
hdestroy(3)
hash table management
hdestroy_r(3)
hash table management
herror(3)
get network host entry
history(3readline)
GNU History Library
hsearch(3)
hash table management
hsearch_r(3)
hash table management
hstrerror(3)
get network host entry
HTML::Entities(3pm)
Encode or decode strings with HTML entities
HTML::Filter(3pm)
Filter HTML text through the parser
HTML::HeadParser(3pm)
Parse <HEAD> section of a HTML document
HTML::LinkExtor(3pm)
Extract links from an HTML document
HTML::Parser(3pm)
HTML parser class
HTML::PullParser(3pm)
Alternative HTML::Parser interface
HTML::Tagset(3pm)
data tables useful in parsing HTML
HTML::TokeParser(3pm)
Alternative HTML::Parser interface
htobe16(3)
convert values between host and big-/little-endian byt...
htobe32(3)
convert values between host and big-/little-endian byt...
htobe64(3)
convert values between host and big-/little-endian byt...
htole16(3)
convert values between host and big-/little-endian byt...
htole32(3)
convert values between host and big-/little-endian byt...
htole64(3)
convert values between host and big-/little-endian byt...
htonl(3)
convert values between host and network byte order
htons(3)
convert values between host and network byte order
HTTP::Config(3pm)
Configuration for request and response objects
HTTP::Date(3pm)
date conversion routines
HTTP::Headers(3pm)
Class encapsulating HTTP Message headers
HTTP::Headers::Util(3pm)
Header value parsing utility functions
HTTP::Message(3pm)
HTTP style message (base class)
HTTP::Request(3pm)
HTTP style request message
HTTP::Request::Common(3pm)
Construct common HTTP::Request objects
HTTP::Response(3pm)
HTTP style response message
HTTP::Status(3pm)
HTTP Status code processing
HUGE_VAL(3)
floating-point constants
HUGE_VALF(3)
floating-point constants
HUGE_VALL(3)
floating-point constants
hypot(3)
Euclidean distance function
hypotf(3)
Euclidean distance function
hypotl(3)
Euclidean distance function

I

iconv(3)
perform character set conversion
iconv_close(3)
deallocate descriptor for character set conversion
iconv_open(3)
allocate descriptor for character set conversion
if_freenameindex(3)
get network interface names and indexes
if_indextoname(3)
mappings between network interface names and indexes
if_nameindex(3)
get network interface names and indexes
if_nametoindex(3)
mappings between network interface names and indexes
ilogb(3)
get integer exponent of a floating-point value
ilogbf(3)
get integer exponent of a floating-point value
ilogbl(3)
get integer exponent of a floating-point value
imaxabs(3)
compute the absolute value of an integer
imaxdiv(3)
compute quotient and remainder of an integer division
index(3)
locate character in string
inet(3)
Internet address manipulation routines
inet_addr(3)
Internet address manipulation routines
inet_aton(3)
Internet address manipulation routines
inet_lnaof(3)
Internet address manipulation routines
inet_makeaddr(3)
Internet address manipulation routines
inet_net_ntop(3)
Internet network number conversion
inet_net_pton(3)
Internet network number conversion
inet_netof(3)
Internet address manipulation routines
inet_network(3)
Internet address manipulation routines
inet_ntoa(3)
Internet address manipulation routines
inet_ntop(3)
convert IPv4 and IPv6 addresses from binary to text form
inet_pton(3)
convert IPv4 and IPv6 addresses from text to binary form
INFINITY(3)
floating-point constants
init_selinuxmnt(3)
initialize the global variable selinux_mnt
initgroups(3)
initialize the supplementary group access list
initstate(3)
random number generator
initstate_r(3)
reentrant random number generator
innetgr(3)
handle network group entries
inplace(3am)
emulate sed/perl/ruby in-place editing
insque(3)
insert/remove an item from a queue
intro(3)
introduction to library functions
IO::HTML(3pm)
Open an HTML file with automatic charset detection
IO::String(3pm)
Emulate file interface for in-core strings
iruserok(3)
routines for returning a stream to a remote command
iruserok_af(3)
routines for returning a stream to a remote command
is_context_customizable(3)
check whether SELinux context type is customiza...
is_selinux_enabled(3)
check whether SELinux is enabled
is_selinux_mls_enabled(3)
check whether SELinux is enabled
isalnum(3)
character classification functions
isalnum_l(3)
character classification functions
isalpha(3)
character classification functions
isalpha_l(3)
character classification functions
isascii(3)
character classification functions
isascii_l(3)
character classification functions
isatty(3)
test whether a file descriptor refers to a terminal
isblank(3)
character classification functions
isblank_l(3)
character classification functions
iscntrl(3)
character classification functions
iscntrl_l(3)
character classification functions
isdigit(3)
character classification functions
isdigit_l(3)
character classification functions
isfdtype(3)
test file type of a file descriptor
isfinite(3)
floating-point classification macros
isgraph(3)
character classification functions
isgraph_l(3)
character classification functions
isgreater(3)
floating-point relational tests without exception for NaN
isgreaterequal(3)
floating-point relational tests without exception for NaN
isinf(3)
floating-point classification macros
isinff(3)
BSD floating-point classification functions
isinfl(3)
BSD floating-point classification functions
isless(3)
floating-point relational tests without exception for NaN
islessequal(3)
floating-point relational tests without exception for NaN
islessgreater(3)
floating-point relational tests without exception for NaN
islower(3)
character classification functions
islower_l(3)
character classification functions
isnan(3)
floating-point classification macros
isnanf(3)
BSD floating-point classification functions
isnanl(3)
BSD floating-point classification functions
isnormal(3)
floating-point classification macros
isprint(3)
character classification functions
isprint_l(3)
character classification functions
ispunct(3)
character classification functions
ispunct_l(3)
character classification functions
isspace(3)
character classification functions
isspace_l(3)
character classification functions
isunordered(3)
floating-point relational tests without exception for NaN
isupper(3)
character classification functions
isupper_l(3)
character classification functions
iswalnum(3)
test for alphanumeric wide character
iswalpha(3)
test for alphabetic wide character
iswblank(3)
test for whitespace wide character
iswcntrl(3)
test for control wide character
iswctype(3)
wide-character classification
iswdigit(3)
test for decimal digit wide character
iswgraph(3)
test for graphic wide character
iswlower(3)
test for lowercase wide character
iswprint(3)
test for printing wide character
iswpunct(3)
test for punctuation or symbolic wide character
iswspace(3)
test for whitespace wide character
iswupper(3)
test for uppercase wide character
iswxdigit(3)
test for hexadecimal digit wide character
isxdigit(3)
character classification functions
isxdigit_l(3)
character classification functions

J

j0(3)
Bessel functions of the first kind
j0f(3)
Bessel functions of the first kind
j0l(3)
Bessel functions of the first kind
j1(3)
Bessel functions of the first kind
j1f(3)
Bessel functions of the first kind
j1l(3)
Bessel functions of the first kind
jn(3)
Bessel functions of the first kind
jnf(3)
Bessel functions of the first kind
jnl(3)
Bessel functions of the first kind
jrand48(3)
generate uniformly distributed pseudo-random numbers
jrand48_r(3)
generate uniformly distributed pseudo-random numbers r...

K

key_decryptsession(3)
interfaces to rpc keyserver daemon
key_encryptsession(3)
interfaces to rpc keyserver daemon
key_gendes(3)
interfaces to rpc keyserver daemon
key_secretkey_is_set(3)
interfaces to rpc keyserver daemon
key_setsecret(3)
interfaces to rpc keyserver daemon
killpg(3)
send signal to a process group
klogctl(3)
read and/or clear kernel message ring buffer; set cons...

L

l64a(3)
convert between long and base-64
labs(3)
compute the absolute value of an integer
lckpwdf(3)
get shadow password file entry
lcong48(3)
generate uniformly distributed pseudo-random numbers
lcong48_r(3)
generate uniformly distributed pseudo-random numbers r...
ldexp(3)
multiply floating-point number by integral power of 2
ldexpf(3)
multiply floating-point number by integral power of 2
ldexpl(3)
multiply floating-point number by integral power of 2
ldiv(3)
compute quotient and remainder of an integer division
le16toh(3)
convert values between host and big-/little-endian byt...
le32toh(3)
convert values between host and big-/little-endian byt...
le64toh(3)
convert values between host and big-/little-endian byt...
lfind(3)
linear search of an array
lgamma(3)
log gamma function
lgamma_r(3)
log gamma function
lgammaf(3)
log gamma function
lgammaf_r(3)
log gamma function
lgammal(3)
log gamma function
lgammal_r(3)
log gamma function
lgetfilecon(3)
get SELinux security context of a file
lgetfilecon_raw(3)
get SELinux security context of a file
libnetlink(3)
A library for accessing the netlink service
lio_listio(3)
initiate a list of I/O requests
LIST_EMPTY(3)
implementations of singly-linked lists, singly-linked ...
LIST_ENTRY(3)
implementations of singly-linked lists, singly-linked ...
LIST_FIRST(3)
implementations of singly-linked lists, singly-linked ...
LIST_FOREACH(3)
implementations of singly-linked lists, singly-linked ...
LIST_HEAD(3)
implementations of singly-linked lists, singly-linked ...
LIST_HEAD_INITIALIZER(3)
implementations of singly-linked lists, singly-li...
LIST_INIT(3)
implementations of singly-linked lists, singly-linked ...
LIST_INSERT_AFTER(3)
implementations of singly-linked lists, singly-linked...
LIST_INSERT_BEFORE(3)
implementations of singly-linked lists, singly-linke...
LIST_INSERT_HEAD(3)
implementations of singly-linked lists, singly-linked ...
LIST_NEXT(3)
implementations of singly-linked lists, singly-linked ...
LIST_REMOVE(3)
implementations of singly-linked lists, singly-linked ...
llabs(3)
compute the absolute value of an integer
lldiv(3)
compute quotient and remainder of an integer division
llrint(3)
round to nearest integer
llrintf(3)
round to nearest integer
llrintl(3)
round to nearest integer
llround(3)
round to nearest integer
llroundf(3)
round to nearest integer
llroundl(3)
round to nearest integer
Locale::gettext(3pm)
message handling functions
localeconv(3)
get numeric formatting information
localtime(3)
transform date and time to broken-down time or ASCII
localtime_r(3)
transform date and time to broken-down time or ASCII
lockf(3)
apply, test or remove a POSIX lock on an open file
log(3)
natural logarithmic function
log10(3)
base-10 logarithmic function
log10f(3)
base-10 logarithmic function
log10l(3)
base-10 logarithmic function
log1p(3)
logarithm of 1 plus argument
log1pf(3)
logarithm of 1 plus argument
log1pl(3)
logarithm of 1 plus argument
log2(3)
base-2 logarithmic function
log2f(3)
base-2 logarithmic function
log2l(3)
base-2 logarithmic function
logb(3)
get exponent of a floating-point value
logbf(3)
get exponent of a floating-point value
logbl(3)
get exponent of a floating-point value
logf(3)
natural logarithmic function
login(3)
write utmp and wtmp entries
login_tty(3)
terminal utility functions
logl(3)
natural logarithmic function
logout(3)
write utmp and wtmp entries
logwtmp(3)
append an entry to the wtmp file
longjmp(3)
performing a nonlocal goto
lrand48(3)
generate uniformly distributed pseudo-random numbers
lrand48_r(3)
generate uniformly distributed pseudo-random numbers r...
lrint(3)
round to nearest integer
lrintf(3)
round to nearest integer
lrintl(3)
round to nearest integer
lround(3)
round to nearest integer
lroundf(3)
round to nearest integer
lroundl(3)
round to nearest integer
lsearch(3)
linear search of an array
lseek64(3)
reposition 64-bit read/write file offset
lsetfilecon(3)
set SELinux security context of a file
lsetfilecon_raw(3)
set SELinux security context of a file
lutimes(3)
change file timestamps
LWP::MediaTypes(3pm)
guess media type for a file or a URL

M

major(3)
manage a device number
makecontext(3)
manipulate user context
makedev(3)
manage a device number
mallinfo(3)
obtain memory allocation information
malloc(3)
allocate and free dynamic memory
malloc_get_state(3)
record and restore state of malloc implementation
__malloc_hook(3)
malloc debugging variables
malloc_hook(3)
malloc debugging variables
malloc_info(3)
export malloc state to a stream
__malloc_initialize_hook(3)
malloc debugging variables
malloc_set_state(3)
record and restore state of malloc implementation
malloc_stats(3)
print memory allocation statistics
malloc_trim(3)
release free memory from the top of the heap
malloc_usable_size(3)
obtain size of block of memory allocated from heap
mallopt(3)
set memory allocation parameters
manual_user_enter_context(3)
determine SELinux context(s) for user sessions
matchmediacon(3)
get the default SELinux security context for the speci...
matchpathcon(3)
get the default SELinux security context for the speci...
matchpathcon_checkmatches(3)
check and report whether any specification in...
matchpathcon_filespec_add(3)
check and report whether any specification in...
matchpathcon_filespec_destroy(3)
check and report whether any specificatio...
matchpathcon_filespec_eval(3)
check and report whether any specification i...
matchpathcon_fini(3)
get the default SELinux security context for the spec...
matchpathcon_index(3)
get the default SELinux security context for the spe...
matchpathcon_init(3)
get the default SELinux security context for the spec...
matherr(3)
SVID math library exception handling
MB_CUR_MAX(3)
maximum length of a multibyte character in the current...
MB_LEN_MAX(3)
maximum multibyte length of a character across all loc...
mblen(3)
determine number of bytes in next multibyte character
mbrlen(3)
determine number of bytes in next multibyte character
mbrtowc(3)
convert a multibyte sequence to a wide character
mbsinit(3)
test for initial shift state
mbsnrtowcs(3)
convert a multibyte string to a wide-character string
mbsrtowcs(3)
convert a multibyte string to a wide-character string
mbstowcs(3)
convert a multibyte string to a wide-character string
mbtowc(3)
convert a multibyte sequence to a wide character
mcheck(3)
heap consistency checking
mcheck_check_all(3)
heap consistency checking
mcheck_pedantic(3)
heap consistency checking
memalign(3)
allocate aligned memory
__memalign_hook(3)
malloc debugging variables
memccpy(3)
copy memory area
memchr(3)
scan memory for a character
memcmp(3)
compare memory areas
memcpy(3)
copy memory area
memfrob(3)
frobnicate (encrypt) a memory area
memmem(3)
locate a substring
memmove(3)
copy memory area
mempcpy(3)
copy memory area
memrchr(3)
scan memory for a character
memset(3)
fill memory with a constant byte
minor(3)
manage a device number
mkdtemp(3)
create a unique temporary directory
mkfifo(3)
make a FIFO special file (a named pipe)
mkfifoat(3)
make a FIFO special file (a named pipe)
mkostemp(3)
create a unique temporary file
mkostemps(3)
create a unique temporary file
mkstemp(3)
create a unique temporary file
mkstemps(3)
create a unique temporary file
mktemp(3)
make a unique temporary filename
mktime(3)
transform date and time to broken-down time or ASCII
mmap64(3)
map or unmap files or devices into memory
mode_to_security_class(3)
convert between SELinux class and permission val...
modf(3)
extract signed integral and fractional values from flo...
modff(3)
extract signed integral and fractional values from flo...
modfl(3)
extract signed integral and fractional values from flo...
mpool(3)
shared memory buffer pool
mprobe(3)
heap consistency checking
mq_close(3)
close a message queue descriptor
mq_getattr(3)
get/set message queue attributes
mq_notify(3)
register for notification when a message is available
mq_open(3)
open a message queue
mq_receive(3)
receive a message from a message queue
mq_send(3)
send a message to a message queue
mq_setattr(3)
get/set message queue attributes
mq_timedreceive(3)
receive a message from a message queue
mq_timedsend(3)
send a message to a message queue
mq_unlink(3)
remove a message queue
mrand48(3)
generate uniformly distributed pseudo-random numbers
mrand48_r(3)
generate uniformly distributed pseudo-random numbers r...
mtrace(3)
malloc tracing
muntrace(3)
malloc tracing

N

NAN(3)
floating-point constants
nan(3)
return 'Not a Number'
nanf(3)
return 'Not a Number'
nanl(3)
return 'Not a Number'
nearbyint(3)
round to nearest integer
nearbyintf(3)
round to nearest integer
nearbyintl(3)
round to nearest integer
netlink(3)
Netlink macros
newlocale(3)
create, modify, and free a locale object
nextafter(3)
floating-point number manipulation
nextafterf(3)
floating-point number manipulation
nextafterl(3)
floating-point number manipulation
nextdown(3)
return next floating-point number toward positive/nega...
nextdownf(3)
return next floating-point number toward positive/nega...
nextdownl(3)
return next floating-point number toward positive/nega...
nexttoward(3)
floating-point number manipulation
nexttowardf(3)
floating-point number manipulation
nexttowardl(3)
floating-point number manipulation
nextup(3)
return next floating-point number toward positive/nega...
nextupf(3)
return next floating-point number toward positive/nega...
nextupl(3)
return next floating-point number toward positive/nega...
nftw(3)
file tree walk
ngettext(3)
translate message and choose plural form
nl_langinfo(3)
query language and locale information
nl_langinfo_l(3)
query language and locale information
nrand48(3)
generate uniformly distributed pseudo-random numbers
nrand48_r(3)
generate uniformly distributed pseudo-random numbers r...
ntohl(3)
convert values between host and network byte order
ntohs(3)
convert values between host and network byte order
ntp_adjtime(3)
tune kernel clock
ntp_gettime(3)
get time parameters (NTP daemon interface)
ntp_gettimex(3)
get time parameters (NTP daemon interface)

O

offsetof(3)
offset of a structure member
on_exit(3)
register a function to be called at normal process ter...
open_memstream(3)
open a dynamic memory buffer stream
open_wmemstream(3)
open a dynamic memory buffer stream
opendir(3)
open a directory
openlog(3)
send messages to the system logger
openproc(3)
initialize process information from /proc/
openpty(3)
terminal utility functions
optarg(3)
Parse command-line options
opterr(3)
Parse command-line options
optind(3)
Parse command-line options
optopt(3)
Parse command-line options
ordchr(3am)
convert characters to strings and vice versa

P

Parse::DebianChangelog(3pm)
parse Debian changelogs and output them in oth...
Parse::DebianChangelog::ChangesFilters(3pm)
filters to be applied to Debia...
Parse::DebianChangelog::Entry(3pm)
represents one entry in a Debian changelog
Parse::DebianChangelog::Util(3pm)
utility functions for parsing Debian cha...
passwd2des(3)
RFS password encryption
pathconf(3)
get configuration values for files
pclose(3)
pipe stream to or from a process
pcre(3)
Perl-compatible regular expressions (original API)
pcre16(3)
Perl-compatible regular expressions
pcre16_assign_jit_stack(3)
Perl-compatible regular expressions
pcre16_compile(3)
Perl-compatible regular expressions
pcre16_compile2(3)
Perl-compatible regular expressions
pcre16_config(3)
Perl-compatible regular expressions
pcre16_copy_named_substring(3)
Perl-compatible regular expressions
pcre16_copy_substring(3)
Perl-compatible regular expressions
pcre16_dfa_exec(3)
Perl-compatible regular expressions
pcre16_exec(3)
Perl-compatible regular expressions
pcre16_free_study(3)
Perl-compatible regular expressions
pcre16_free_substring(3)
Perl-compatible regular expressions
pcre16_free_substring_list(3)
Perl-compatible regular expressions
pcre16_fullinfo(3)
Perl-compatible regular expressions
pcre16_get_named_substring(3)
Perl-compatible regular expressions
pcre16_get_stringnumber(3)
Perl-compatible regular expressions
pcre16_get_stringtable_entries(3)
Perl-compatible regular expressions
pcre16_get_substring(3)
Perl-compatible regular expressions
pcre16_get_substring_list(3)
Perl-compatible regular expressions
pcre16_jit_exec(3)
Perl-compatible regular expressions
pcre16_jit_stack_alloc(3)
Perl-compatible regular expressions
pcre16_jit_stack_free(3)
Perl-compatible regular expressions
pcre16_maketables(3)
Perl-compatible regular expressions
pcre16_pattern_to_host_byte_order(3)
Perl-compatible regular expressions
pcre16_refcount(3)
Perl-compatible regular expressions
pcre16_study(3)
Perl-compatible regular expressions
pcre16_utf16_to_host_byte_order(3)
Perl-compatible regular expressions
pcre16_version(3)
Perl-compatible regular expressions
pcre32(3)
Perl-compatible regular expressions
pcre32_assign_jit_stack(3)
Perl-compatible regular expressions
pcre32_compile(3)
Perl-compatible regular expressions
pcre32_compile2(3)
Perl-compatible regular expressions
pcre32_config(3)
Perl-compatible regular expressions
pcre32_copy_named_substring(3)
Perl-compatible regular expressions
pcre32_copy_substring(3)
Perl-compatible regular expressions
pcre32_dfa_exec(3)
Perl-compatible regular expressions
pcre32_exec(3)
Perl-compatible regular expressions
pcre32_free_study(3)
Perl-compatible regular expressions
pcre32_free_substring(3)
Perl-compatible regular expressions
pcre32_free_substring_list(3)
Perl-compatible regular expressions
pcre32_fullinfo(3)
Perl-compatible regular expressions
pcre32_get_named_substring(3)
Perl-compatible regular expressions
pcre32_get_stringnumber(3)
Perl-compatible regular expressions
pcre32_get_stringtable_entries(3)
Perl-compatible regular expressions
pcre32_get_substring(3)
Perl-compatible regular expressions
pcre32_get_substring_list(3)
Perl-compatible regular expressions
pcre32_jit_exec(3)
Perl-compatible regular expressions
pcre32_jit_stack_alloc(3)
Perl-compatible regular expressions
pcre32_jit_stack_free(3)
Perl-compatible regular expressions
pcre32_maketables(3)
Perl-compatible regular expressions
pcre32_pattern_to_host_byte_order(3)
Perl-compatible regular expressions
pcre32_refcount(3)
Perl-compatible regular expressions
pcre32_study(3)
Perl-compatible regular expressions
pcre32_utf32_to_host_byte_order(3)
Perl-compatible regular expressions
pcre32_version(3)
Perl-compatible regular expressions
pcre_assign_jit_stack(3)
Perl-compatible regular expressions
pcre_compile(3)
Perl-compatible regular expressions
pcre_compile2(3)
Perl-compatible regular expressions
pcre_config(3)
Perl-compatible regular expressions
pcre_copy_named_substring(3)
Perl-compatible regular expressions
pcre_copy_substring(3)
Perl-compatible regular expressions
pcre_dfa_exec(3)
Perl-compatible regular expressions
pcre_exec(3)
Perl-compatible regular expressions
pcre_free_study(3)
Perl-compatible regular expressions
pcre_free_substring(3)
Perl-compatible regular expressions
pcre_free_substring_list(3)
Perl-compatible regular expressions
pcre_fullinfo(3)
Perl-compatible regular expressions
pcre_get_named_substring(3)
Perl-compatible regular expressions
pcre_get_stringnumber(3)
Perl-compatible regular expressions
pcre_get_stringtable_entries(3)
Perl-compatible regular expressions
pcre_get_substring(3)
Perl-compatible regular expressions
pcre_get_substring_list(3)
Perl-compatible regular expressions
pcre_jit_exec(3)
Perl-compatible regular expressions
pcre_jit_stack_alloc(3)
Perl-compatible regular expressions
pcre_jit_stack_free(3)
Perl-compatible regular expressions
pcre_maketables(3)
Perl-compatible regular expressions
pcre_pattern_to_host_byte_order(3)
Perl-compatible regular expressions
pcre_refcount(3)
Perl-compatible regular expressions
pcre_study(3)
Perl-compatible regular expressions
pcre_utf16_to_host_byte_order(3)
Perl-compatible regular expressions
pcre_utf32_to_host_byte_order(3)
Perl-compatible regular expressions
pcre_version(3)
Perl-compatible regular expressions
pcreapi(3)
Perl-compatible regular expressions
pcrebuild(3)
Perl-compatible regular expressions
pcrecallout(3)
Perl-compatible regular expressions
pcrecompat(3)
Perl-compatible regular expressions
pcrecpp(3)
Perl-compatible regular expressions.
pcrejit(3)
Perl-compatible regular expressions
pcrelimits(3)
Perl-compatible regular expressions
pcrematching(3)
Perl-compatible regular expressions
pcrepartial(3)
Perl-compatible regular expressions
pcrepattern(3)
Perl-compatible regular expressions
pcreperform(3)
Perl-compatible regular expressions
pcreposix(3)
Perl-compatible regular expressions.
pcreprecompile(3)
Perl-compatible regular expressions
pcresample(3)
Perl-compatible regular expressions
pcrestack(3)
Perl-compatible regular expressions
pcresyntax(3)
Perl-compatible regular expressions
pcreunicode(3)
Perl-compatible regular expressions
perror(3)
print a system error message
pmap_getmaps(3)
library routines for remote procedure calls
pmap_getport(3)
library routines for remote procedure calls
pmap_rmtcall(3)
library routines for remote procedure calls
pmap_set(3)
library routines for remote procedure calls
pmap_unset(3)
library routines for remote procedure calls
Pod::UsageTrans(3pm)
print a usage message from embedded pod documentation
popen(3)
pipe stream to or from a process
posix_fallocate(3)
allocate file space
posix_madvise(3)
give advice about patterns of memory usage
posix_memalign(3)
allocate aligned memory
posix_openpt(3)
open a pseudoterminal device
posix_spawn(3)
spawn a process
posix_spawnp(3)
spawn a process
pow(3)
power functions
pow10(3)
base-10 power functions
pow10f(3)
base-10 power functions
pow10l(3)
base-10 power functions
powf(3)
power functions
powl(3)
power functions
__ppc_get_timebase(3)
get the current value of the Time Base Register on P...
__ppc_get_timebase_freq(3)
get the current value of the Time Base Register...
__ppc_mdoio(3)
Hint the processor to release shared resources
__ppc_mdoom(3)
Hint the processor to release shared resources
__ppc_set_ppr_low(3)
Set the Program Priority Register
__ppc_set_ppr_med(3)
Set the Program Priority Register
__ppc_set_ppr_med_high(3)
Set the Program Priority Register
__ppc_set_ppr_med_low(3)
Set the Program Priority Register
__ppc_set_ppr_very_low(3)
Set the Program Priority Register
__ppc_yield(3)
Hint the processor to release shared resources
print_access_vector(3)
convert between SELinux class and permission values...
printf(3)
formatted output conversion
profil(3)
execution time profile
program_invocation_name(3)
obtain name used to invoke calling program
program_invocation_short_name(3)
obtain name used to invoke calling program
psiginfo(3)
print signal message
psignal(3)
print signal message
pthread_attr_destroy(3)
initialize and destroy thread attributes object
pthread_attr_getaffinity_np(3)
set/get CPU affinity attribute in thread at...
pthread_attr_getdetachstate(3)
set/get detach state attribute in thread at...
pthread_attr_getguardsize(3)
set/get guard size attribute in thread attrib...
pthread_attr_getinheritsched(3)
set/get inherit-scheduler attribute in thr...
pthread_attr_getschedparam(3)
set/get scheduling parameter attributes in t...
pthread_attr_getschedpolicy(3)
set/get scheduling policy attribute in thre...
pthread_attr_getscope(3)
set/get contention scope attribute in thread attr...
pthread_attr_getstack(3)
set/get stack attributes in thread attributes object
pthread_attr_getstackaddr(3)
set/get stack address attribute in thread att...
pthread_attr_getstacksize(3)
set/get stack size attribute in thread attrib...
pthread_attr_init(3)
initialize and destroy thread attributes object
pthread_attr_setaffinity_np(3)
set/get CPU affinity attribute in thread at...
pthread_attr_setdetachstate(3)
set/get detach state attribute in thread at...
pthread_attr_setguardsize(3)
set/get guard size attribute in thread attrib...
pthread_attr_setinheritsched(3)
set/get inherit-scheduler attribute in thr...
pthread_attr_setschedparam(3)
set/get scheduling parameter attributes in t...
pthread_attr_setschedpolicy(3)
set/get scheduling policy attribute in thre...
pthread_attr_setscope(3)
set/get contention scope attribute in thread attr...
pthread_attr_setstack(3)
set/get stack attributes in thread attributes object
pthread_attr_setstackaddr(3)
set/get stack address attribute in thread att...
pthread_attr_setstacksize(3)
set/get stack size attribute in thread attrib...
pthread_cancel(3)
send a cancellation request to a thread
pthread_cleanup_pop(3)
push and pop thread cancellation clean-up handlers
pthread_cleanup_pop_restore_np(3)
push and pop thread cancellation clean-u...
pthread_cleanup_push(3)
push and pop thread cancellation clean-up handlers
pthread_cleanup_push_defer_np(3)
push and pop thread cancellation clean-up...
pthread_create(3)
create a new thread
pthread_detach(3)
detach a thread
pthread_equal(3)
compare thread IDs
pthread_exit(3)
terminate calling thread
pthread_getaffinity_np(3)
set/get CPU affinity of a thread
pthread_getattr_default_np(3)
get or set default thread-creation attributes
pthread_getattr_np(3)
get attributes of created thread
pthread_getconcurrency(3)
set/get the concurrency level
pthread_getcpuclockid(3)
retrieve ID of a thread's CPU time clock
pthread_getname_np(3)
set/get the name of a thread
pthread_getschedparam(3)
set/get scheduling policy and parameters of a thread
pthread_join(3)
join with a terminated thread
pthread_kill(3)
send a signal to a thread
pthread_kill_other_threads_np(3)
terminate all other threads in process
pthread_mutex_consistent(3)
make a robust mutex consistent
pthread_mutex_consistent_np(3)
make a robust mutex consistent
pthread_mutexattr_getpshared(3)
get/set process-shared mutex attribute
pthread_mutexattr_getrobust(3)
get and set the robustness attribute of a m...
pthread_mutexattr_getrobust_np(3)
get and set the robustness attribute of ...
pthread_mutexattr_setpshared(3)
get/set process-shared mutex attribute
pthread_mutexattr_setrobust(3)
get and set the robustness attribute of a m...
pthread_mutexattr_setrobust_np(3)
get and set the robustness attribute of ...
pthread_rwlockattr_getkind_np(3)
set/get the read-write lock kind of the t...
pthread_rwlockattr_setkind_np(3)
set/get the read-write lock kind of the t...
pthread_self(3)
obtain ID of the calling thread
pthread_setaffinity_np(3)
set/get CPU affinity of a thread
pthread_setattr_default_np(3)
get or set default thread-creation attributes
pthread_setcancelstate(3)
set cancelability state and type
pthread_setcanceltype(3)
set cancelability state and type
pthread_setconcurrency(3)
set/get the concurrency level
pthread_setname_np(3)
set/get the name of a thread
pthread_setschedparam(3)
set/get scheduling policy and parameters of a thread
pthread_setschedprio(3)
set scheduling priority of a thread
pthread_sigmask(3)
examine and change mask of blocked signals
pthread_sigqueue(3)
queue a signal and data to a thread
pthread_spin_destroy(3)
initialize or destroy a spin lock
pthread_spin_init(3)
initialize or destroy a spin lock
pthread_spin_lock(3)
lock and unlock a spin lock
pthread_spin_trylock(3)
lock and unlock a spin lock
pthread_spin_unlock(3)
lock and unlock a spin lock
pthread_testcancel(3)
request delivery of any pending cancellation request
pthread_timedjoin_np(3)
try to join with a terminated thread
pthread_tryjoin_np(3)
try to join with a terminated thread
pthread_yield(3)
yield the processor
ptsname(3)
get the name of the slave pseudoterminal
ptsname_r(3)
get the name of the slave pseudoterminal
putc(3)
output of characters and strings
putc_unlocked(3)
nonlocking stdio functions
putchar(3)
output of characters and strings
putchar_unlocked(3)
nonlocking stdio functions
putenv(3)
change or add an environment variable
putgrent(3)
write a group database entry to a file
putpwent(3)
write a password file entry
puts(3)
output of characters and strings
putspent(3)
get shadow password file entry
pututline(3)
access utmp file entries
pututxline(3)
access utmp file entries
putw(3)
input and output of words (ints)
putwc(3)
write a wide character to a FILE stream
putwc_unlocked(3)
nonlocking stdio functions
putwchar(3)
write a wide character to standard output
putwchar_unlocked(3)
nonlocking stdio functions
pvalloc(3)
allocate aligned memory

Q

qecvt(3)
convert a floating-point number to a string
qecvt_r(3)
convert a floating-point number to a string
qfcvt(3)
convert a floating-point number to a string
qfcvt_r(3)
convert a floating-point number to a string
qgcvt(3)
convert a floating-point number to a string
qsort(3)
sort an array
qsort_r(3)
sort an array
query_user_context(3)
determine SELinux context(s) for user sessions
queue(3)
implementations of singly-linked lists, singly-linked ...

R

raise(3)
send a signal to the caller
rand(3)
pseudo-random number generator
rand_r(3)
pseudo-random number generator
random(3)
random number generator
random_r(3)
reentrant random number generator
rawmemchr(3)
scan memory for a character
rcmd(3)
routines for returning a stream to a remote command
rcmd_af(3)
routines for returning a stream to a remote command
re_comp(3)
BSD regex functions
re_exec(3)
BSD regex functions
readdir(3)
read a directory
readdir(3am)
directory input parser for gawk
readdir_r(3)
read a directory
readfile(3am)
return the entire contents of a file as a string
readline(3readline)
get a line from a user with editing
readproc(3)
read information from next /proc/## entry
readproctab(3)
read information for all current processes at once
realloc(3)
allocate and free dynamic memory
__realloc_hook(3)
malloc debugging variables
realpath(3)
return the canonicalized absolute pathname
recno(3)
record number database access method
regcomp(3)
POSIX regex functions
regerror(3)
POSIX regex functions
regex(3)
POSIX regex functions
regexec(3)
POSIX regex functions
regfree(3)
POSIX regex functions
registerrpc(3)
library routines for remote procedure calls
remainder(3)
floating-point remainder function
remainderf(3)
floating-point remainder function
remainderl(3)
floating-point remainder function
remove(3)
remove a file or directory
remque(3)
insert/remove an item from a queue
remquo(3)
remainder and part of quotient
remquof(3)
remainder and part of quotient
remquol(3)
remainder and part of quotient
res_init(3)
resolver routines
res_mkquery(3)
resolver routines
res_ninit(3)
resolver routines
res_nmkquery(3)
resolver routines
res_nquery(3)
resolver routines
res_nquerydomain(3)
resolver routines
res_nsearch(3)
resolver routines
res_nsend(3)
resolver routines
res_query(3)
resolver routines
res_querydomain(3)
resolver routines
res_search(3)
resolver routines
res_send(3)
resolver routines
resolver(3)
resolver routines
revoutput(3am)
Reverse output strings sample extension
revtwoway(3am)
Reverse strings sample two-way processor extension
rewind(3)
reposition a stream
rewinddir(3)
reset directory stream
rexec(3)
return stream to a remote command
rexec_af(3)
return stream to a remote command
rindex(3)
locate character in string
rint(3)
round to nearest integer
rintf(3)
round to nearest integer
rintl(3)
round to nearest integer
round(3)
round to nearest integer, away from zero
roundf(3)
round to nearest integer, away from zero
roundl(3)
round to nearest integer, away from zero
rpc(3)
library routines for remote procedure calls
rpm_execcon(3)
get or set the SELinux security context used for execu...
rpmatch(3)
determine if the answer to a question is affirmative o...
rresvport(3)
routines for returning a stream to a remote command
rresvport_af(3)
routines for returning a stream to a remote command
rtime(3)
get time from a remote machine
rtnetlink(3)
macros to manipulate rtnetlink messages
ruserok(3)
routines for returning a stream to a remote command
ruserok_af(3)
routines for returning a stream to a remote command
rwarray(3am)
write and read gawk arrays to/from files

S

scalb(3)
multiply floating-point number by integral power of ra...
scalbf(3)
multiply floating-point number by integral power of ra...
scalbl(3)
multiply floating-point number by integral power of ra...
scalbln(3)
multiply floating-point number by integral power of radix
scalblnf(3)
multiply floating-point number by integral power of radix
scalblnl(3)
multiply floating-point number by integral power of radix
scalbn(3)
multiply floating-point number by integral power of radix
scalbnf(3)
multiply floating-point number by integral power of radix
scalbnl(3)
multiply floating-point number by integral power of radix
scandir(3)
scan a directory for matching entries
scandirat(3)
scan a directory for matching entries
scanf(3)
input format conversion
sched_getcpu(3)
determine CPU on which the calling thread is running
secure_getenv(3)
get an environment variable
security_av_perm_to_string(3)
convert between SELinux class and permission...
security_av_string(3)
convert between SELinux class and permission values ...
security_check_context(3)
check the validity of a SELinux context
security_check_context_raw(3)
check the validity of a SELinux context
security_class_to_string(3)
convert between SELinux class and permission v...
security_commit_booleans(3)
routines for manipulating SELinux boolean values
security_compute_av(3)
query the SELinux policy database in the kernel
security_compute_av_flags(3)
query the SELinux policy database in the kernel
security_compute_av_flags_raw(3)
query the SELinux policy database in the ...
security_compute_av_raw(3)
query the SELinux policy database in the kernel
security_compute_create(3)
query the SELinux policy database in the kernel
security_compute_create_name(3)
query the SELinux policy database in the k...
security_compute_create_name_raw(3)
query the SELinux policy database in t...
security_compute_create_raw(3)
query the SELinux policy database in the ke...
security_compute_member(3)
query the SELinux policy database in the kernel
security_compute_member_raw(3)
query the SELinux policy database in the ke...
security_compute_relabel(3)
query the SELinux policy database in the kernel
security_compute_relabel_raw(3)
query the SELinux policy database in the k...
security_compute_user(3)
query the SELinux policy database in the kernel
security_compute_user_raw(3)
query the SELinux policy database in the kernel
security_deny_unknown(3)
get or set the enforcing state of SELinux
security_disable(3)
disable the SELinux kernel code at runtime
security_get_boolean_active(3)
routines for manipulating SELinux boolean v...
security_get_boolean_names(3)
routines for manipulating SELinux boolean va...
security_get_boolean_pending(3)
routines for manipulating SELinux boolean ...
security_get_initial_context(3)
query the SELinux policy database in the k...
security_get_initial_context_raw(3)
query the SELinux policy database in t...
security_getenforce(3)
get or set the enforcing state of SELinux
security_load_booleans(3)
routines for manipulating SELinux boolean values
security_load_policy(3)
load a new SELinux policy
security_mkload_policy(3)
load a new SELinux policy
security_policyvers(3)
get the version of the SELinux policy
security_set_boolean(3)
routines for manipulating SELinux boolean values
security_setenforce(3)
get or set the enforcing state of SELinux
seed48(3)
generate uniformly distributed pseudo-random numbers
seed48_r(3)
generate uniformly distributed pseudo-random numbers r...
seekdir(3)
set the position of the next readdir() call in the dir...
selabel_close(3)
userspace SELinux labeling interface
selabel_digest(3)
Return digest of specfiles and list of files used
selabel_lookup(3)
obtain SELinux security context from a string label
selabel_lookup_best_match(3)
obtain a best match SELinux security context ...
selabel_lookup_best_match_raw(3)
obtain a best match SELinux security cont...
selabel_lookup_raw(3)
obtain SELinux security context from a string label
selabel_open(3)
userspace SELinux labeling interface
selabel_partial_match(3)
determine whether a direct or partial match is po...
selabel_stats(3)
obtain SELinux labeling statistics
selinux_binary_policy_path(3)
These functions return the paths to the acti...
selinux_boolean_sub(3)
(unknown subject)
selinux_booleans_path(3)
These functions return the paths to the active SE...
selinux_check_access(3)
query the SELinux policy database in the kernel
selinux_check_passwd_access(3)
query the SELinux policy database in the ke...
selinux_check_securetty_context(3)
check whether a SELinux tty security co...
selinux_colors_path(3)
Return a path to the active SELinux policy color co...
selinux_contexts_path(3)
These functions return the paths to the active SE...
selinux_current_policy_path(3)
These functions return the paths to the act...
selinux_default_context_path(3)
These functions return the paths to the ac...
selinux_default_type_path(3)
These functions return the paths to the activ...
selinux_failsafe_context_path(3)
These functions return the paths to the a...
selinux_file_context_cmp(3)
Compare two SELinux security contexts excludin...
selinux_file_context_homedir_path(3)
These functions return the paths to t...
selinux_file_context_local_path(3)
These functions return the paths to the...
selinux_file_context_path(3)
These functions return the paths to the activ...
selinux_file_context_verify(3)
Compare the SELinux security context on dis...
selinux_getenforcemode(3)
get the enforcing state of SELinux
selinux_getpolicytype(3)
get the type of SELinux policy running on the system
selinux_homedir_context_path(3)
These functions return the paths to the ac...
selinux_init_load_policy(3)
load a new SELinux policy
selinux_lsetfilecon_default(3)
set the file context to the system defaults
selinux_media_context_path(3)
These functions return the paths to the acti...
selinux_mkload_policy(3)
load a new SELinux policy
selinux_netfilter_context_path(3)
These functions return the paths to the ...
selinux_path(3)
These functions return the paths to the active SELinux...
selinux_policy_root(3)
return the path of the SELinux policy files for thi...
selinux_raw_context_to_color(3)
Return RGB color string for an SELinux sec...
selinux_removable_context_path(3)
These functions return the paths to the ...
selinux_restorecon(3)
restore file(s) default SELinux security contexts
selinux_restorecon_default_handle(3)
sets default parameters for selinux_r...
selinux_restorecon_set_alt_rootpath(3)
set an alternate rootpath.
selinux_restorecon_set_exclude_list(3)
set list of directories to be exclu...
selinux_restorecon_set_sehandle(3)
set a labeling handle for use by selinu...
selinux_restorecon_xattr(3)
manage default security.restorecon_last extend...
selinux_securetty_types_path(3)
These functions return the paths to the ac...
selinux_set_callback(3)
userspace SELinux callback facilities
selinux_set_mapping(3)
establish dynamic object class and permission mapping
selinux_set_policy_root(3)
return the path of the SELinux policy files for...
selinux_status_close(3)
reference the SELinux kernel status without invoca...
selinux_status_deny_unknown(3)
reference the SELinux kernel status without...
selinux_status_getenforce(3)
reference the SELinux kernel status without i...
selinux_status_open(3)
reference the SELinux kernel status without invocat...
selinux_status_policyload(3)
reference the SELinux kernel status without i...
selinux_status_updated(3)
reference the SELinux kernel status without invo...
selinux_user_contexts_path(3)
These functions return the paths to the acti...
selinux_usersconf_path(3)
These functions return the paths to the active S...
selinux_x_context_path(3)
These functions return the paths to the active S...
sem_close(3)
close a named semaphore
sem_destroy(3)
destroy an unnamed semaphore
sem_getvalue(3)
get the value of a semaphore
sem_init(3)
initialize an unnamed semaphore
sem_open(3)
initialize and open a named semaphore
sem_post(3)
unlock a semaphore
sem_timedwait(3)
lock a semaphore
sem_trywait(3)
lock a semaphore
sem_unlink(3)
remove a named semaphore
sem_wait(3)
lock a semaphore
sepol_check_context(3)
Check the validity of a security context against a ...
sepol_genbools(3)
Rewrite a binary policy with different boolean settings
sepol_genusers(3)
Generate a new binary policy image with a customized u...
set_matchpathcon_flags(3)
set flags controlling the operation of matchpath...
set_matchpathcon_invalidcon(3)
set flags controlling the operation of matc...
set_matchpathcon_printf(3)
set flags controlling the operation of matchpat...
set_selinuxmnt(3)
initialize the global variable selinux_mnt
setaliasent(3)
read an alias entry
setbuf(3)
stream buffering operations
setbuffer(3)
stream buffering operations
setcon(3)
get SELinux security context of a process
setcon_raw(3)
get SELinux security context of a process
setcontext(3)
get or set the user context
setenv(3)
change or add an environment variable
setexeccon(3)
get or set the SELinux security context used for execu...
setexeccon_raw(3)
get or set the SELinux security context used for execu...
setfilecon(3)
set SELinux security context of a file
setfilecon_raw(3)
set SELinux security context of a file
__setfpucw(3)
set FPU control word on i386 architecture (obsolete)
setfscreatecon(3)
get or set the SELinux security context used for creat...
setfscreatecon_raw(3)
get or set the SELinux security context used for cre...
setfsent(3)
handle fstab entries
setgrent(3)
get group file entry
sethostent(3)
get network host entry
sethostid(3)
get or set the unique identifier of the current host
setjmp(3)
performing a nonlocal goto
setkey(3)
encrypt 64-bit messages
setkey_r(3)
encrypt 64-bit messages
setkeycreatecon(3)
get or set the SELinux security context used for creat...
setkeycreatecon_raw(3)
get or set the SELinux security context used for cr...
setlinebuf(3)
stream buffering operations
setlocale(3)
set the current locale
setlogmask(3)
set log priority mask
setmntent(3)
get filesystem descriptor file entry
setnetent(3)
get network entry
setnetgrent(3)
handle network group entries
setprotoent(3)
get protocol entry
setpwent(3)
get password file entry
setrpcent(3)
get RPC entry
setservent(3)
get service entry
setsockcreatecon(3)
get or set the SELinux security context used for creat...
setsockcreatecon_raw(3)
get or set the SELinux security context used for c...
setspent(3)
get shadow password file entry
setstate(3)
random number generator
setstate_r(3)
reentrant random number generator
setttyent(3)
get ttys file entry
setusershell(3)
get permitted user shells
setutent(3)
access utmp file entries
setutxent(3)
access utmp file entries
setvbuf(3)
stream buffering operations
sgetspent(3)
get shadow password file entry
sgetspent_r(3)
get shadow password file entry
shm_open(3)
create/open or unlink POSIX shared memory objects
shm_unlink(3)
create/open or unlink POSIX shared memory objects
sidget(3)
obtain and manipulate SELinux security ID's
sidput(3)
obtain and manipulate SELinux security ID's
sigaddset(3)
POSIX signal set operations
sigandset(3)
POSIX signal set operations
sigblock(3)
BSD signal API
sigdelset(3)
POSIX signal set operations
sigemptyset(3)
POSIX signal set operations
sigfillset(3)
POSIX signal set operations
siggetmask(3)
BSD signal API
sighold(3)
System V signal API
sigignore(3)
System V signal API
siginterrupt(3)
allow signals to interrupt system calls
sigisemptyset(3)
POSIX signal set operations
sigismember(3)
POSIX signal set operations
siglongjmp(3)
performing a nonlocal goto
sigmask(3)
BSD signal API
signbit(3)
test sign of a real floating-point number
signgam(3)
log gamma function
significand(3)
get mantissa of floating-point number
significandf(3)
get mantissa of floating-point number
significandl(3)
get mantissa of floating-point number
sigorset(3)
POSIX signal set operations
sigpause(3)
atomically release blocked signals and wait for interrupt
sigqueue(3)
queue a signal and data to a process
sigrelse(3)
System V signal API
sigset(3)
System V signal API
sigsetjmp(3)
performing a nonlocal goto
sigsetmask(3)
BSD signal API
sigsetops(3)
POSIX signal set operations
sigstack(3)
set and/or get signal stack context
sigvec(3)
BSD signal API
sigwait(3)
wait for a signal
sin(3)
sine function
sincos(3)
calculate sin and cos simultaneously
sincosf(3)
calculate sin and cos simultaneously
sincosl(3)
calculate sin and cos simultaneously
sinf(3)
sine function
sinh(3)
hyperbolic sine function
sinhf(3)
hyperbolic sine function
sinhl(3)
hyperbolic sine function
sinl(3)
sine function
sleep(3)
sleep for a specified number of seconds
SLIST_EMPTY(3)
implementations of singly-linked lists, singly-linked ...
SLIST_ENTRY(3)
implementations of singly-linked lists, singly-linked ...
SLIST_FIRST(3)
implementations of singly-linked lists, singly-linked ...
SLIST_FOREACH(3)
implementations of singly-linked lists, singly-linked ...
SLIST_HEAD(3)
implementations of singly-linked lists, singly-linked ...
SLIST_HEAD_INITIALIZER(3)
implementations of singly-linked lists, singly-l...
SLIST_INIT(3)
implementations of singly-linked lists, singly-linked ...
SLIST_INSERT_AFTER(3)
implementations of singly-linked lists, singly-linke...
SLIST_INSERT_HEAD(3)
implementations of singly-linked lists, singly-linked...
SLIST_NEXT(3)
implementations of singly-linked lists, singly-linked ...
SLIST_REMOVE(3)
implementations of singly-linked lists, singly-linked ...
SLIST_REMOVE_HEAD(3)
implementations of singly-linked lists, singly-linked...
snprintf(3)
formatted output conversion
sockatmark(3)
determine whether socket is at out-of-band mark
sprintf(3)
formatted output conversion
sqrt(3)
square root function
sqrtf(3)
square root function
sqrtl(3)
square root function
srand(3)
pseudo-random number generator
srand48(3)
generate uniformly distributed pseudo-random numbers
srand48_r(3)
generate uniformly distributed pseudo-random numbers r...
srandom(3)
random number generator
srandom_r(3)
reentrant random number generator
sscanf(3)
input format conversion
ssignal(3)
software signal facility
STAILQ_CONCAT(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_EMPTY(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_ENTRY(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_FIRST(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_FOREACH(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_HEAD(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_HEAD_INITIALIZER(3)
implementations of singly-linked lists, singly-...
STAILQ_INIT(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_INSERT_AFTER(3)
implementations of singly-linked lists, singly-link...
STAILQ_INSERT_HEAD(3)
implementations of singly-linked lists, singly-linke...
STAILQ_INSERT_TAIL(3)
implementations of singly-linked lists, singly-linke...
STAILQ_NEXT(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_REMOVE(3)
implementations of singly-linked lists, singly-linked ...
STAILQ_REMOVE_HEAD(3)
implementations of singly-linked lists, singly-linke...
statvfs(3)
get filesystem statistics
stdarg(3)
variable argument lists
stderr(3)
standard I/O streams
stdin(3)
standard I/O streams
stdio(3)
standard input/output library functions
stdio_ext(3)
interfaces to stdio FILE structure
stdout(3)
standard I/O streams
stpcpy(3)
copy a string returning a pointer to its end
stpncpy(3)
copy a fixed-size string, returning a pointer to its end
strcasecmp(3)
compare two strings ignoring case
strcasestr(3)
locate a substring
strcat(3)
concatenate two strings
strchr(3)
locate character in string
strchrnul(3)
locate character in string
strcmp(3)
compare two strings
strcoll(3)
compare two strings using the current locale
strcpy(3)
copy a string
strcspn(3)
get length of a prefix substring
strdup(3)
duplicate a string
strdupa(3)
duplicate a string
strerror(3)
return string describing error number
strerror_l(3)
return string describing error number
strerror_r(3)
return string describing error number
strfmon(3)
convert monetary value to a string
strfmon_l(3)
convert monetary value to a string
strfromd(3)
convert a floating-point value into a string
strfromf(3)
convert a floating-point value into a string
strfroml(3)
convert a floating-point value into a string
strfry(3)
randomize a string
strftime(3)
format date and time
string(3)
string operations
string_to_av_perm(3)
convert between SELinux class and permission values a...
string_to_security_class(3)
convert between SELinux class and permission v...
strlen(3)
calculate the length of a string
strncasecmp(3)
compare two strings ignoring case
strncat(3)
concatenate two strings
strncmp(3)
compare two strings
strncpy(3)
copy a string
strndup(3)
duplicate a string
strndupa(3)
duplicate a string
strnlen(3)
determine the length of a fixed-size string
strpbrk(3)
search a string for any of a set of bytes
strptime(3)
convert a string representation of time to a time tm s...
strrchr(3)
locate character in string
strsep(3)
extract token from string
strsignal(3)
return string describing signal
strspn(3)
get length of a prefix substring
strstr(3)
locate a substring
strtod(3)
convert ASCII string to floating-point number
strtof(3)
convert ASCII string to floating-point number
strtoimax(3)
convert string to integer
strtok(3)
extract tokens from strings
strtok_r(3)
extract tokens from strings
strtol(3)
convert a string to a long integer
strtold(3)
convert ASCII string to floating-point number
strtoll(3)
convert a string to a long integer
strtoq(3)
convert a string to a long integer
strtoul(3)
convert a string to an unsigned long integer
strtoull(3)
convert a string to an unsigned long integer
strtoumax(3)
convert string to integer
strtouq(3)
convert a string to an unsigned long integer
strverscmp(3)
compare two version strings
strxfrm(3)
string transformation
Sub::Name(3pm)
(Re)name a sub
svc_destroy(3)
library routines for remote procedure calls
svc_freeargs(3)
library routines for remote procedure calls
svc_getargs(3)
library routines for remote procedure calls
svc_getcaller(3)
library routines for remote procedure calls
svc_getreq(3)
library routines for remote procedure calls
svc_getreqset(3)
library routines for remote procedure calls
svc_register(3)
library routines for remote procedure calls
svc_run(3)
library routines for remote procedure calls
svc_sendreply(3)
library routines for remote procedure calls
svc_unregister(3)
library routines for remote procedure calls
svcerr_auth(3)
library routines for remote procedure calls
svcerr_decode(3)
library routines for remote procedure calls
svcerr_noproc(3)
library routines for remote procedure calls
svcerr_noprog(3)
library routines for remote procedure calls
svcerr_progvers(3)
library routines for remote procedure calls
svcerr_systemerr(3)
library routines for remote procedure calls
svcerr_weakauth(3)
library routines for remote procedure calls
svcfd_create(3)
library routines for remote procedure calls
svcraw_create(3)
library routines for remote procedure calls
svctcp_create(3)
library routines for remote procedure calls
svcudp_bufcreate(3)
library routines for remote procedure calls
svcudp_create(3)
library routines for remote procedure calls
swab(3)
swap adjacent bytes
swapcontext(3)
manipulate user context
Switch(3pm)
A switch statement for Perl, do not use if you can use...
swprintf(3)
formatted wide-character output conversion
sys_errlist(3)
print a system error message
sys_nerr(3)
print a system error message
sysconf(3)
get configuration information at run time
syslog(3)
read and/or clear kernel message ring buffer; set cons...
system(3)
execute a shell command
sysv_signal(3)
signal handling with System V semantics

T

TAILQ_CONCAT(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_EMPTY(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_ENTRY(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_FIRST(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_FOREACH(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_FOREACH_REVERSE(3)
implementations of singly-linked lists, singly-li...
TAILQ_HEAD(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_HEAD_INITIALIZER(3)
implementations of singly-linked lists, singly-l...
TAILQ_INIT(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_INSERT_AFTER(3)
implementations of singly-linked lists, singly-linke...
TAILQ_INSERT_BEFORE(3)
implementations of singly-linked lists, singly-link...
TAILQ_INSERT_HEAD(3)
implementations of singly-linked lists, singly-linked...
TAILQ_INSERT_TAIL(3)
implementations of singly-linked lists, singly-linked...
TAILQ_LAST(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_NEXT(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_PREV(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_REMOVE(3)
implementations of singly-linked lists, singly-linked ...
TAILQ_SWAP(3)
implementations of singly-linked lists, singly-linked ...
tan(3)
tangent function
tanf(3)
tangent function
tanh(3)
hyperbolic tangent function
tanhf(3)
hyperbolic tangent function
tanhl(3)
hyperbolic tangent function
tanl(3)
tangent function
tcdrain(3)
get and set terminal attributes, line control, get and...
tcflow(3)
get and set terminal attributes, line control, get and...
tcflush(3)
get and set terminal attributes, line control, get and...
tcgetattr(3)
get and set terminal attributes, line control, get and...
tcgetpgrp(3)
get and set terminal foreground process group
tcgetsid(3)
get session ID
tcsendbreak(3)
get and set terminal attributes, line control, get and...
tcsetattr(3)
get and set terminal attributes, line control, get and...
tcsetpgrp(3)
get and set terminal foreground process group
tdelete(3)
manage a binary tree
tdestroy(3)
manage a binary tree
telldir(3)
return current location in directory stream
tempnam(3)
create a name for a temporary file
termios(3)
get and set terminal attributes, line control, get and...
Text::CharWidth(3pm)
Get number of occupied columns of a string on terminal
Text::Iconv(3pm)
Perl interface to iconv() codeset conversion function
Text::WrapI18N(3pm)
Line wrapping module with support for multibyte, fullw...
textdomain(3)
set domain for future gettext() calls
tfind(3)
manage a binary tree
tgamma(3)
true gamma function
tgammaf(3)
true gamma function
tgammal(3)
true gamma function
time(3am)
time functions for gawk
Time::Zone(3pm)
- miscellaneous timezone manipulations routines
timegm(3)
inverses of gmtime and localtime
timelocal(3)
inverses of gmtime and localtime
timeradd(3)
timeval operations
timerclear(3)
timeval operations
timercmp(3)
timeval operations
timerisset(3)
timeval operations
timersub(3)
timeval operations
timezone(3)
initialize time conversion information
tmpfile(3)
create a temporary file
tmpnam(3)
create a name for a temporary file
tmpnam_r(3)
create a name for a temporary file
toascii(3)
convert character to ASCII
tolower(3)
convert uppercase or lowercase
tolower_l(3)
convert uppercase or lowercase
toupper(3)
convert uppercase or lowercase
toupper_l(3)
convert uppercase or lowercase
towctrans(3)
wide-character transliteration
towlower(3)
convert a wide character to lowercase
towlower_l(3)
convert a wide character to lowercase
towupper(3)
convert a wide character to uppercase
towupper_l(3)
convert a wide character to uppercase
trunc(3)
round to integer, toward zero
truncf(3)
round to integer, toward zero
truncl(3)
round to integer, toward zero
tsearch(3)
manage a binary tree
ttyname(3)
return name of a terminal
ttyname_r(3)
return name of a terminal
ttyslot(3)
find the slot of the current user's terminal in some file
twalk(3)
manage a binary tree
tzname(3)
initialize time conversion information
tzset(3)
initialize time conversion information

U

ualarm(3)
schedule signal after given number of microseconds
ulckpwdf(3)
get shadow password file entry
ulimit(3)
get and set user limits
undocumented(3)
undocumented library functions
ungetc(3)
input of characters and strings
ungetwc(3)
push back a wide character onto a FILE stream
unlocked_stdio(3)
nonlocking stdio functions
unlockpt(3)
unlock a pseudoterminal master/slave pair
unsetenv(3)
change or add an environment variable
updwtmp(3)
append an entry to the wtmp file
updwtmpx(3)
append an entry to the wtmp file
URI(3pm)
Uniform Resource Identifiers (absolute and relative)
URI::_punycode(3pm)
encodes Unicode string in Punycode
URI::data(3pm)
URI that contains immediate data
URI::Escape(3pm)
Percent-encode and percent-decode unsafe characters
URI::file(3pm)
URI that maps to local file names
URI::Heuristic(3pm)
Expand URI using heuristics
URI::ldap(3pm)
LDAP Uniform Resource Locators
URI::QueryParam(3pm)
Additional query methods for URIs
URI::Split(3pm)
Parse and compose URI strings
URI::URL(3pm)
Uniform Resource Locators
URI::WithBase(3pm)
URIs which remember their base
uselocale(3)
set/get the locale for the calling thread
usleep(3)
suspend execution for microsecond intervals
utmpname(3)
access utmp file entries
utmpxname(3)
access utmp file entries

V

va_arg(3)
variable argument lists
va_copy(3)
variable argument lists
va_end(3)
variable argument lists
va_start(3)
variable argument lists
valloc(3)
allocate aligned memory
vasprintf(3)
print to allocated string
vdprintf(3)
formatted output conversion
verr(3)
formatted error messages
verrx(3)
formatted error messages
versionsort(3)
scan a directory for matching entries
vfprintf(3)
formatted output conversion
vfscanf(3)
input format conversion
vfwprintf(3)
formatted wide-character output conversion
vlimit(3)
get/set resource limits
vprintf(3)
formatted output conversion
vscanf(3)
input format conversion
vsnprintf(3)
formatted output conversion
vsprintf(3)
formatted output conversion
vsscanf(3)
input format conversion
vswprintf(3)
formatted wide-character output conversion
vsyslog(3)
send messages to the system logger
vtimes(3)
get resource usage
vwarn(3)
formatted error messages
vwarnx(3)
formatted error messages
vwprintf(3)
formatted wide-character output conversion

W

warn(3)
formatted error messages
warnx(3)
formatted error messages
wcpcpy(3)
copy a wide-character string, returning a pointer to i...
wcpncpy(3)
copy a fixed-size string of wide characters, returning...
wcrtomb(3)
convert a wide character to a multibyte sequence
wcscasecmp(3)
compare two wide-character strings, ignoring case
wcscat(3)
concatenate two wide-character strings
wcschr(3)
search a wide character in a wide-character string
wcscmp(3)
compare two wide-character strings
wcscpy(3)
copy a wide-character string
wcscspn(3)
search a wide-character string for any of a set of wid...
wcsdup(3)
duplicate a wide-character string
wcslen(3)
determine the length of a wide-character string
wcsncasecmp(3)
compare two fixed-size wide-character strings, ignorin...
wcsncat(3)
concatenate two wide-character strings
wcsncmp(3)
compare two fixed-size wide-character strings
wcsncpy(3)
copy a fixed-size string of wide characters
wcsnlen(3)
determine the length of a fixed-size wide-character st...
wcsnrtombs(3)
convert a wide-character string to a multibyte string
wcspbrk(3)
search a wide-character string for any of a set of wid...
wcsrchr(3)
search a wide character in a wide-character string
wcsrtombs(3)
convert a wide-character string to a multibyte string
wcsspn(3)
advance in a wide-character string, skipping any of a ...
wcsstr(3)
locate a substring in a wide-character string
wcstoimax(3)
convert wide-character string to integer
wcstok(3)
split wide-character string into tokens
wcstombs(3)
convert a wide-character string to a multibyte string
wcstoumax(3)
convert wide-character string to integer
wcswidth(3)
determine columns needed for a fixed-size wide-charact...
wctob(3)
try to represent a wide character as a single byte
wctomb(3)
convert a wide character to a multibyte sequence
wctrans(3)
wide-character translation mapping
wctype(3)
wide-character classification
wcwidth(3)
determine columns needed for a wide character
wmemchr(3)
search a wide character in a wide-character array
wmemcmp(3)
compare two arrays of wide-characters
wmemcpy(3)
copy an array of wide-characters
wmemmove(3)
copy an array of wide-characters
wmempcpy(3)
copy memory area
wmemset(3)
fill an array of wide-characters with a constant wide ...
wordexp(3)
perform word expansion like a posix-shell
wordfree(3)
perform word expansion like a posix-shell
wprintf(3)
formatted wide-character output conversion

X

xcrypt(3)
RFS password encryption
xdecrypt(3)
RFS password encryption
xdr(3)
library routines for external data representation
xdr_accepted_reply(3)
library routines for remote procedure calls
xdr_array(3)
library routines for external data representation
xdr_authunix_parms(3)
library routines for remote procedure calls
xdr_bool(3)
library routines for external data representation
xdr_bytes(3)
library routines for external data representation
xdr_callhdr(3)
library routines for remote procedure calls
xdr_callmsg(3)
library routines for remote procedure calls
xdr_char(3)
library routines for external data representation
xdr_destroy(3)
library routines for external data representation
xdr_double(3)
library routines for external data representation
xdr_enum(3)
library routines for external data representation
xdr_float(3)
library routines for external data representation
xdr_free(3)
library routines for external data representation
xdr_getpos(3)
library routines for external data representation
xdr_inline(3)
library routines for external data representation
xdr_int(3)
library routines for external data representation
xdr_long(3)
library routines for external data representation
xdr_opaque(3)
library routines for external data representation
xdr_opaque_auth(3)
library routines for remote procedure calls
xdr_pmap(3)
library routines for remote procedure calls
xdr_pmaplist(3)
library routines for remote procedure calls
xdr_pointer(3)
library routines for external data representation
xdr_reference(3)
library routines for external data representation
xdr_rejected_reply(3)
library routines for remote procedure calls
xdr_replymsg(3)
library routines for remote procedure calls
xdr_setpos(3)
library routines for external data representation
xdr_short(3)
library routines for external data representation
xdr_string(3)
library routines for external data representation
xdr_u_char(3)
library routines for external data representation
xdr_u_int(3)
library routines for external data representation
xdr_u_long(3)
library routines for external data representation
xdr_u_short(3)
library routines for external data representation
xdr_union(3)
library routines for external data representation
xdr_vector(3)
library routines for external data representation
xdr_void(3)
library routines for external data representation
xdr_wrapstring(3)
library routines for external data representation
xdrmem_create(3)
library routines for external data representation
xdrrec_create(3)
library routines for external data representation
xdrrec_endofrecord(3)
library routines for external data representation
xdrrec_eof(3)
library routines for external data representation
xdrrec_skiprecord(3)
library routines for external data representation
xdrstdio_create(3)
library routines for external data representation
xencrypt(3)
RFS password encryption
xprt_register(3)
library routines for remote procedure calls
xprt_unregister(3)
library routines for remote procedure calls

Y

y0(3)
Bessel functions of the second kind
y0f(3)
Bessel functions of the second kind
y0l(3)
Bessel functions of the second kind
y1(3)
Bessel functions of the second kind
y1f(3)
Bessel functions of the second kind
y1l(3)
Bessel functions of the second kind
yn(3)
Bessel functions of the second kind
ynf(3)
Bessel functions of the second kind
ynl(3)
Bessel functions of the second kind

A B C D E F G H I J K L M N O P Q R S T U V W X Y