C programming/GNU C library reference

Header files

argp.h	Interface for parsing unix-style argument vectors.
argz.h	Allocate/grow argz vectors.
envz.h
execinfo.h	Backtrace support.
libintl.h

Table of functions

argp.h

argp_error argp_failure argp_help argp_parse

argp_state_help argp_usage

argz.h

argz_add argz_add_sep argz_append argz_count

argz_create argz_create_sep argz_delete argz_extract

argz_insert argz_next argz_replace argz_stringify

envz.h

envz_add envz_entry envz_get envz_merge

envz_remove envz_strip

execinfo.h

backtrace backtrace_symbols backtrace_symbols_fd

libintl.h

bind_textdomain_codeset bindtextdomain dcgettext dcngettext

dgettext dngettext gettext ngettext

textdomain

Standard library extensions

Platform facilities that extend the standard library headers.

assert.h

assert_perror

complex.h

clog10 clog10f clog10fN clog10fNx

clog10l

fenv.h

fedisableexcept feenableexcept fegetexcept

math.h

j0fN j0fNx j1fN j1fNx jnfN jnfNx lgammafN_r lgammafNx_r

pow10 pow10f pow10l sincos sincosf sincosfN sincosfNx sincosl

y0fN y0fNx y1fN y1fNx ynfN ynfNx

signal.h

sysv_signal

stdio.h

asprintf clearerr_unlocked feof_unlocked ferror_unlocked fgets_unlocked fileno_unlocked fmemopen fopencookie

fputs_unlocked fread_unlocked fwrite_unlocked getdelim fputs_unlocked fread_unlocked fwrite_unlocked getdelim

getline obstack_printf obstack_vprintf open_memstream snprintf tmpnam_r vasprintf vsnprintf

stdlib.h

alloca canonicalize_file_name clearenv drand48_r ecvt_r erand48_r getpt initstate_r

jrand48_r lcong48_r lrand48_r mrand48_r nrand48_r ptsname_r qecvt qecvt_r

qfcvt qfcvt_r qgcvt random_r rpmatch secure_getenv seed48_r setstate_r

srand48_r srandom_r