libc

The behaviour of the interfaces in this library is specified by the following Standards.

ISO/IEC 9899: 1999, Programming Languages --C
Large File Support
Linux Standard Base
IEEE Std POSIX.1-1996 [ISO/IEC 9945-1:1996]
CAE Specification, February 1997, Networking Services (XNS), Issue 5(ISBN: 1-85912-165-9, C523)
CAE Specification, January 1997, System Interfaces and Headers (XSH),Issue 5 (ISBN: 1-85912-181-0, C606)
The Single UNIX® Specification(SUS) Version 3
System V Interface Definition, Issue 3 (ISBN 0201566524)
System V Interface Definition,Fourth Edition

Table A-16. libc Function Interfaces

_Exit(GLIBC_2.1.1)[1]getrusage(GLIBC_2.1.1)[6]shmctl(GLIBC_2.1.1)[6]
_IO_feof(GLIBC_2.0)[3]gets(GLIBC_2.0)[3]shmdt(GLIBC_2.0)[6]
_IO_getc(GLIBC_2.0)[3]getservbyname(GLIBC_2.0)[3]shmget(GLIBC_2.0)[6]
_IO_putc(GLIBC_2.0)[3]getservbyport(GLIBC_2.0)[5]shutdown(GLIBC_2.0)[5]
_IO_puts(GLIBC_2.0)[3]getservent(GLIBC_2.0)[3]sigaction(GLIBC_2.0)[6]
__assert_fail(GLIBC_2.0)[3]getsid(GLIBC_2.0)[6]sigaddset(GLIBC_2.0)[6]
__ctype_get_mb_cur_max(GLIBC_2.0)[3]getsockname(GLIBC_2.0)[5]sigaltstack(GLIBC_2.0)[6]
__cxa_atexit(GLIBC_2.1.3)[3]getsockopt(GLIBC_2.1.3)[5]sigandset(GLIBC_2.1.3)[3]
__errno_location(GLIBC_2.0)[3]getsubopt(GLIBC_2.0)[6]sigblock(GLIBC_2.0)[3]
__fpending(GLIBC_2.2)[3]gettext(GLIBC_2.2)[3]sigdelset(GLIBC_2.2)[6]
__fxstat(GLIBC_2.0)[3]gettimeofday(GLIBC_2.0)[6]sigemptyset(GLIBC_2.0)[6]
__fxstat64(GLIBC_2.2)[3]getuid(GLIBC_2.2)[6]sigfillset(GLIBC_2.2)[6]
__getpagesize(GLIBC_2.0)[3]getutent(GLIBC_2.0)[3]siggetmask(GLIBC_2.0)[3]
__getpgid(GLIBC_2.0)[3]getutent_r(GLIBC_2.0)[3]sighold(GLIBC_2.0)[6]
__h_errno_location[3]getutxent()[6]sigignore()[6]
__isinf[3]getutxid()[6]siginterrupt()[6]
__isinff[3]getutxline()[6]sigisemptyset()[3]
__isinfl[3]getw()[6]sigismember()[6]
__isnan[3]getwc()[1]siglongjmp()[6]
__isnanf[3]getwchar()[6]signal()[6]
__isnanl[3]getwd()[6]sigorset()[3]
__libc_current_sigrtmax(GLIBC_2.1)[3]glob(GLIBC_2.1)[6]sigpause(GLIBC_2.1)[6]
__libc_current_sigrtmin(GLIBC_2.1)[3]glob64(GLIBC_2.1)[3]sigpending(GLIBC_2.1)[6]
__libc_start_main(GLIBC_2.0)[3]globfree(GLIBC_2.0)[6]sigprocmask(GLIBC_2.0)[6]
__lxstat(GLIBC_2.0)[3]globfree64(GLIBC_2.0)[3]sigqueue(GLIBC_2.0)[6]
__lxstat64(GLIBC_2.2)[3]gmtime(GLIBC_2.2)[6]sigrelse(GLIBC_2.2)[6]
__mempcpy(GLIBC_2.0)[3]gmtime_r(GLIBC_2.0)[6]sigreturn(GLIBC_2.0)[3]
__rawmemchr(GLIBC_2.1)[3]grantpt(GLIBC_2.1)[6]sigset(GLIBC_2.1)[6]
__sigsetjmp(GLIBC_2.0)[3]hcreate(GLIBC_2.0)[6]sigstack(GLIBC_2.0)[6]
__stpcpy(GLIBC_2.0)[3]hdestroy(GLIBC_2.0)[6]sigsuspend(GLIBC_2.0)[6]
__strdup(GLIBC_2.0)[3]hsearch(GLIBC_2.0)[6]sigtimedwait(GLIBC_2.0)[6]
__strtod_internal(GLIBC_2.0)[3]htonl(GLIBC_2.0)[5]sigwait(GLIBC_2.0)[6]
__strtof_internal(GLIBC_2.0)[3]htons(GLIBC_2.0)[5]sigwaitinfo(GLIBC_2.0)[6]
__strtok_r(GLIBC_2.0)[3]iconv(GLIBC_2.0)[6]sleep(GLIBC_2.0)[6]
__strtol_internal(GLIBC_2.0)[3]iconv_close(GLIBC_2.0)[6]snprintf(GLIBC_2.0)[6]
__strtold_internal(GLIBC_2.0)[3]iconv_open(GLIBC_2.0)[6]socket(GLIBC_2.0)[5]
__strtoll_internal(GLIBC_2.0)[3]imaxabs(GLIBC_2.0)[1]socketpair(GLIBC_2.0)[5]
__strtoul_internal(GLIBC_2.0)[3]imaxdiv(GLIBC_2.0)[1]sprintf(GLIBC_2.0)[6]
__strtoull_internal(GLIBC_2.0)[3]index(GLIBC_2.0)[6]srand(GLIBC_2.0)[6]
__sysconf(GLIBC_2.2)[3]inet_addr(GLIBC_2.2)[5]srand48(GLIBC_2.2)[6]
__sysv_signal(GLIBC_2.0)[3]inet_aton(GLIBC_2.0)[5]srandom(GLIBC_2.0)[6]
__wcstod_internal(GLIBC_2.0)[3]inet_ntoa(GLIBC_2.0)[5]sscanf(GLIBC_2.0)[6]
__wcstof_internal(GLIBC_2.0)[3]inet_ntop[7]statvfs(GLIBC_2.0)[6]
__wcstol_internal(GLIBC_2.0)[3]inet_pton[7]statvfs64[2]
__wcstold_internal(GLIBC_2.0)[3]initgroups(GLIBC_2.0)[3]step(GLIBC_2.0)[6]
__wcstoul_internal(GLIBC_2.0)[3]initstate(GLIBC_2.0)[6]stime(GLIBC_2.0)[3]
__xmknod(GLIBC_2.0)[3]insque(GLIBC_2.0)[6]stpcpy(GLIBC_2.0)[3]
__xstat(GLIBC_2.0)[3]ioctl(GLIBC_2.0)[3]stpncpy(GLIBC_2.0)[3]
__xstat64(GLIBC_2.2)[3]isalnum(GLIBC_2.2)[6]strcasecmp(GLIBC_2.2)[6]
_exit(GLIBC_2.0)[6]isalpha(GLIBC_2.0)[6]strcasestr(GLIBC_2.0)[3]
_longjmp(GLIBC_2.0)[6]isascii(GLIBC_2.0)[6]strcat(GLIBC_2.0)[6]
_obstack_begin(GLIBC_2.0)[3]isatty(GLIBC_2.0)[6]strchr(GLIBC_2.0)[6]
_obstack_newchunk(GLIBC_2.0)[3]isblank(GLIBC_2.0)[7]strcmp(GLIBC_2.0)[6]
_setjmp(GLIBC_2.0)[6]iscntrl(GLIBC_2.0)[6]strcoll(GLIBC_2.0)[6]
_tolower(GLIBC_2.0)[6]isdigit(GLIBC_2.0)[6]strcpy(GLIBC_2.0)[6]
_toupper(GLIBC_2.0)[6]isgraph(GLIBC_2.0)[6]strcspn(GLIBC_2.0)[6]
a64l(GLIBC_2.0)[6]isinf(GLIBC_2.0)[1]strdup(GLIBC_2.0)[6]
abort(GLIBC_2.0)[6]isinffstrerror(GLIBC_2.0)[6]
abs(GLIBC_2.0)[6]isinfl(GLIBC_2.0)[1]strerror_r(GLIBC_2.0)[3]
accept(GLIBC_2.0)[5]islower(GLIBC_2.0)[6]strfmon(GLIBC_2.0)[6]
access(GLIBC_2.0)[6]isnan(GLIBC_2.0)[1]strfry(GLIBC_2.0)[3]
acct(GLIBC_2.0)[3]isnanf(GLIBC_2.0)[1]strftime(GLIBC_2.0)[6]
adjtime(GLIBC_2.0)[3]isnanl(GLIBC_2.0)[1]strlen(GLIBC_2.0)[6]
adjtimex(GLIBC_2.0)[3]isprint(GLIBC_2.0)[6]strncasecmp(GLIBC_2.0)[6]
advance(GLIBC_2.0)[6]ispunct(GLIBC_2.0)[6]strncat(GLIBC_2.0)[6]
alarm(GLIBC_2.0)[6]isspace(GLIBC_2.0)[6]strncmp(GLIBC_2.0)[6]
asctime(GLIBC_2.0)[6]isupper(GLIBC_2.0)[6]strncpy(GLIBC_2.0)[6]
asctime_r(GLIBC_2.0)[6]iswalnum(GLIBC_2.0)[6]strndup(GLIBC_2.0)[3]
asprintf(GLIBC_2.0)[3]iswalpha(GLIBC_2.0)[6]strnlen(GLIBC_2.0)[3]
atexit(GLIBC_2.0)[6]iswblank(GLIBC_2.0)[7]strpbrk(GLIBC_2.0)[6]
atof(GLIBC_2.0)[6]iswcntrl(GLIBC_2.0)[6]strptime(GLIBC_2.0)[3]
atoi(GLIBC_2.0)[6]iswctype(GLIBC_2.0)[3]strrchr(GLIBC_2.0)[6]
atol(GLIBC_2.0)[6]iswdigit(GLIBC_2.0)[6]strsep(GLIBC_2.0)[3]
atoll[1]iswgraph()[6]strsignal()[3]
authnone_create(GLIBC_2.0)[9]iswlower(GLIBC_2.0)[6]strspn(GLIBC_2.0)[6]
basename(GLIBC_2.0)[6]iswprint(GLIBC_2.0)[6]strstr(GLIBC_2.0)[6]
bcmp(GLIBC_2.0)[6]iswpunct(GLIBC_2.0)[6]strtod(GLIBC_2.0)[6]
bcopy(GLIBC_2.0)[6]iswspace(GLIBC_2.0)[6]strtof(GLIBC_2.0)[1]
bind(GLIBC_2.0)[5]iswupper(GLIBC_2.0)[6]strtoimax(GLIBC_2.0)[1]
bind_textdomain_codeset[3]iswxdigit()[6]strtok()[6]
bindresvport(GLIBC_2.0)[3]isxdigit(GLIBC_2.0)[6]strtok_r(GLIBC_2.0)[3]
bindtextdomain(GLIBC_2.0)[3]jrand48(GLIBC_2.0)[6]strtol(GLIBC_2.0)[6]
brk(GLIBC_2.0)[6]key_decryptsession(GLIBC_2.0)[8]strtold(GLIBC_2.0)[1]
bsd_signal(GLIBC_2.0)[6]kill(GLIBC_2.0)[3]strtoll(GLIBC_2.0)[1]
bsearch(GLIBC_2.0)[6]killpg(GLIBC_2.0)[6]strtoq(GLIBC_2.0)[3]
btowc(GLIBC_2.0)[6]l64a(GLIBC_2.0)[6]strtoul(GLIBC_2.0)[6]
bzero(GLIBC_2.0)[6]labs(GLIBC_2.0)[6]strtoull(GLIBC_2.0)[1]
calloc(GLIBC_2.0)[6]lchown(GLIBC_2.0)[6]strtoumax(GLIBC_2.0)[1]
catclose(GLIBC_2.0)[6]lcong48(GLIBC_2.0)[6]strtouq(GLIBC_2.0)[3]
catgets(GLIBC_2.0)[6]ldiv(GLIBC_2.0)[6]strverscmp(GLIBC_2.0)[3]
catopen(GLIBC_2.0)[6]lfind(GLIBC_2.0)[6]strxfrm(GLIBC_2.0)[6]
cfgetispeed(GLIBC_2.0)[6]link(GLIBC_2.0)[6]svc_getreqset(GLIBC_2.0)[8]
cfgetospeed(GLIBC_2.0)[6]listen(GLIBC_2.0)[5]svcerr_auth(GLIBC_2.0)[8]
cfmakeraw(GLIBC_2.0)[3]llabs(GLIBC_2.0)[1]svcerr_decode(GLIBC_2.0)[8]
cfsetispeed(GLIBC_2.0)[6]lldiv(GLIBC_2.0)[1]svcerr_noproc(GLIBC_2.0)[8]
cfsetospeed(GLIBC_2.0)[6]localeconv(GLIBC_2.0)[6]svcerr_noprog(GLIBC_2.0)[8]
cfsetspeed(GLIBC_2.0)[3]localtime(GLIBC_2.0)[6]svcerr_progvers(GLIBC_2.0)[8]
chdir(GLIBC_2.0)[6]localtime_r(GLIBC_2.0)[6]svcerr_systemerr(GLIBC_2.0)[8]
chmod(GLIBC_2.0)[6]lockf(GLIBC_2.0)[6]svcerr_weakauth(GLIBC_2.0)[8]
chown(GLIBC_2.1)[6]lockf64(GLIBC_2.1)[2]swab(GLIBC_2.1)[6]
chroot(GLIBC_2.0)[6]longjmp(GLIBC_2.0)[6]swapcontext(GLIBC_2.0)[6]
clearerr(GLIBC_2.0)[6]lrand48(GLIBC_2.0)[6]swprintf(GLIBC_2.0)[6]
clnt_create(GLIBC_2.0)[9]lsearch(GLIBC_2.0)[6]swscanf(GLIBC_2.0)[1]
clnt_pcreateerror(GLIBC_2.0)[9]lseek(GLIBC_2.0)[6]symlink(GLIBC_2.0)[6]
clnt_perrno(GLIBC_2.0)[9]lseek64(GLIBC_2.0)[2]sync(GLIBC_2.0)[6]
clnt_perror(GLIBC_2.0)[9]makecontext(GLIBC_2.0)[6]sysconf(GLIBC_2.0)[6]
clnt_spcreateerror(GLIBC_2.0)[9]malloc(GLIBC_2.0)[6]syslog(GLIBC_2.0)[6]
clnt_sperrno(GLIBC_2.0)[9]mblen(GLIBC_2.0)[6]system(GLIBC_2.0)[3]
clnt_sperror(GLIBC_2.0)[9]mbrlen(GLIBC_2.0)[6]tcdrain(GLIBC_2.0)[6]
clock(GLIBC_2.0)[6]mbrtowc(GLIBC_2.0)[6]tcflow(GLIBC_2.0)[6]
close(GLIBC_2.0)[6]mbsinit(GLIBC_2.0)[6]tcflush(GLIBC_2.0)[6]
closedir(GLIBC_2.0)[6]mbsnrtowcs(GLIBC_2.0)[3]tcgetattr(GLIBC_2.0)[6]
closelog(GLIBC_2.0)[6]mbsrtowcs(GLIBC_2.0)[6]tcgetpgrp(GLIBC_2.0)[6]
confstr(GLIBC_2.0)[6]mbstowcs(GLIBC_2.0)[6]tcgetsid(GLIBC_2.0)[6]
connect(GLIBC_2.0)[5]mbtowc(GLIBC_2.0)[6]tcsendbreak(GLIBC_2.0)[6]
creat(GLIBC_2.0)[6]memccpy(GLIBC_2.0)[6]tcsetattr(GLIBC_2.0)[6]
creat64(GLIBC_2.1)[2]memchr(GLIBC_2.1)[6]tcsetpgrp(GLIBC_2.1)[6]
ctermid(GLIBC_2.0)[6]memcmp(GLIBC_2.0)[6]tdelete[6]
ctime(GLIBC_2.0)[6]memcpy(GLIBC_2.0)[6]telldir(GLIBC_2.0)[6]
ctime_r(GLIBC_2.0)[6]memmem(GLIBC_2.0)[3]tempnam(GLIBC_2.0)[6]
cuserid(GLIBC_2.0)[6]memmove(GLIBC_2.0)[6]textdomain(GLIBC_2.0)[3]
daemon(GLIBC_2.0)[3]memrchr(GLIBC_2.0)[3]tfind(GLIBC_2.0)[6]
dcgettext(GLIBC_2.0)[3]memset(GLIBC_2.0)[6]time(GLIBC_2.0)[6]
dcngettext[3]mkdir()[6]times()[6]
dgettext[3]mkfifo()[6]tmpfile()[6]
difftime(GLIBC_2.0)[6]mkstemp(GLIBC_2.0)[6]tmpfile64(GLIBC_2.0)[2]
dirname(GLIBC_2.0)[6]mkstemp64(GLIBC_2.0)[2]tmpnam(GLIBC_2.0)[6]
div(GLIBC_2.0)[6]mktemp(GLIBC_2.0)[6]toascii(GLIBC_2.0)[6]
dngettext[3]mktime()[6]tolower()[6]
drand48(GLIBC_2.0)[6]mlock(GLIBC_2.0)[6]toupper(GLIBC_2.0)[6]
dup(GLIBC_2.0)[6]mlockall(GLIBC_2.0)[6]towctrans(GLIBC_2.0)[6]
dup2(GLIBC_2.0)[6]mmap(GLIBC_2.0)[6]towlower(GLIBC_2.0)[1]
ecvt(GLIBC_2.0)[6]mmap64(GLIBC_2.0)[2]towupper(GLIBC_2.0)[6]
endgrent(GLIBC_2.0)[6]mprotect(GLIBC_2.0)[6]truncate(GLIBC_2.0)[6]
endnetent(GLIBC_2.0)[5]mrand48(GLIBC_2.0)[6]truncate64(GLIBC_2.0)[2]
endprotoent(GLIBC_2.0)[5]msgctl(GLIBC_2.0)[6]tsearch(GLIBC_2.0)[6]
endpwent(GLIBC_2.0)[6]msgget(GLIBC_2.0)[6]ttyname(GLIBC_2.0)[6]
endservent(GLIBC_2.0)[5]msgrcv(GLIBC_2.0)[6]ttyname_r(GLIBC_2.0)[6]
endutent(GLIBC_2.0)[6]msgsnd(GLIBC_2.0)[6]twalk(GLIBC_2.0)[6]
endutxent(GLIBC_2.1)[6]msync(GLIBC_2.1)[6]tzset(GLIBC_2.1)[6]
erand48(GLIBC_2.0)[6]munlock(GLIBC_2.0)[6]ualarm(GLIBC_2.0)[6]
err(GLIBC_2.0)[3]munlockall(GLIBC_2.0)[6]ulimit(GLIBC_2.0)[6]
error(GLIBC_2.0)[3]munmap(GLIBC_2.0)[6]umask(GLIBC_2.0)[6]
errx(GLIBC_2.0)[3]nanosleep(GLIBC_2.0)[6]uname(GLIBC_2.0)[6]
execl(GLIBC_2.0)[6]nftw(GLIBC_2.0)[6]ungetc(GLIBC_2.0)[6]
execle(GLIBC_2.0)[6]nftw64(GLIBC_2.0)[2]ungetwc(GLIBC_2.0)[1]
execlp(GLIBC_2.0)[6]ngettext[3]unlink(GLIBC_2.0)[3]
execv(GLIBC_2.0)[6]nice(GLIBC_2.0)[3]unlockpt(GLIBC_2.0)[6]
execve(GLIBC_2.0)[6]nl_langinfo(GLIBC_2.0)[6]unsetenv[3]
execvp(GLIBC_2.0)[6]nrand48(GLIBC_2.0)[6]usleep(GLIBC_2.0)[6]
exit(GLIBC_2.0)[6]ntohl(GLIBC_2.0)[5]utime(GLIBC_2.0)[6]
fchdir(GLIBC_2.0)[6]ntohs(GLIBC_2.0)[5]utimes(GLIBC_2.0)[6]
fchmod(GLIBC_2.0)[6]obstack_free(GLIBC_2.0)[3]vasprintf(GLIBC_2.0)[3]
fchown(GLIBC_2.0)[6]open(GLIBC_2.0)[6]vdprintf(GLIBC_2.0)[3]
fclose(GLIBC_2.1)[6]open64(GLIBC_2.1)[2]verrx(GLIBC_2.1)[3]
fcntl(GLIBC_2.0)[3]opendir(GLIBC_2.0)[6]vfork(GLIBC_2.0)[6]
fcvt(GLIBC_2.0)[6]openlog(GLIBC_2.0)[6]vfprintf(GLIBC_2.0)[6]
fdatasync(GLIBC_2.0)[6]pathconf(GLIBC_2.0)[6]vfscanf[1]
fdopen(GLIBC_2.1)[6]pause(GLIBC_2.1)[6]vfwprintf(GLIBC_2.1)[1]
feof(GLIBC_2.0)[6]pclose(GLIBC_2.0)[6]vfwscanf(GLIBC_2.0)[1]
ferror(GLIBC_2.0)[6]perror(GLIBC_2.0)[6]vprintf(GLIBC_2.0)[6]
fflush(GLIBC_2.0)[6]pipe(GLIBC_2.0)[6]vscanf[1]
fflush_unlocked(GLIBC_2.0)[6]poll(GLIBC_2.0)[6]vsnprintf(GLIBC_2.0)[6]
ffs(GLIBC_2.0)[6]popen(GLIBC_2.0)[6]vsprintf(GLIBC_2.0)[6]
fgetc(GLIBC_2.0)[6]posix_memalign(GLIBC_2.0)[4]vsscanf[1]
fgetpos(GLIBC_2.0)[6]pread(GLIBC_2.0)[6]vswprintf(GLIBC_2.0)[1]
fgetpos64(GLIBC_2.1)[2]pread64(GLIBC_2.1)[2]vswscanf(GLIBC_2.1)[1]
fgets(GLIBC_2.0)[6]printf(GLIBC_2.0)[6]vsyslog[3]
fgetwc(GLIBC_2.2)[6]psignal(GLIBC_2.2)[3]vwprintf(GLIBC_2.2)[1]
fgetwc_unlocked(GLIBC_2.2)[6]ptsname(GLIBC_2.2)[6]vwscanf(GLIBC_2.2)[1]
fgetws(GLIBC_2.2)[1]putc(GLIBC_2.2)[6]wait(GLIBC_2.2)[6]
fileno(GLIBC_2.0)[6]putc_unlocked(GLIBC_2.0)[6]wait3(GLIBC_2.0)[3]
flock(GLIBC_2.0)[3]putchar(GLIBC_2.0)[6]wait4(GLIBC_2.0)[3]
flockfile(GLIBC_2.0)[6]putchar_unlocked(GLIBC_2.0)[6]waitpid(GLIBC_2.0)[3]
fmtmsg(GLIBC_2.1)[6]putenv(GLIBC_2.1)[6]warn(GLIBC_2.1)[3]
fnmatch(GLIBC_2.2.3)[6]puts(GLIBC_2.2.3)[6]warnx(GLIBC_2.2.3)[3]
fopen(GLIBC_2.1)[6]pututxline(GLIBC_2.1)[6]wcpcpy(GLIBC_2.1)[3]
fopen64(GLIBC_2.1)[2]putw(GLIBC_2.1)[6]wcpncpy(GLIBC_2.1)[3]
fork(GLIBC_2.0)[6]putwc(GLIBC_2.0)[1]wcrtomb(GLIBC_2.0)[6]
fpathconf(GLIBC_2.0)[6]putwchar(GLIBC_2.0)[1]wcscasecmp(GLIBC_2.0)[3]
fprintf(GLIBC_2.0)[6]pwrite(GLIBC_2.0)[6]wcscat(GLIBC_2.0)[6]
fputc(GLIBC_2.0)[6]pwrite64(GLIBC_2.0)[2]wcschr(GLIBC_2.0)[6]
fputs(GLIBC_2.0)[6]qsort(GLIBC_2.0)[6]wcscmp(GLIBC_2.0)[6]
fputwc(GLIBC_2.2)[1]raise(GLIBC_2.2)[6]wcscoll(GLIBC_2.2)[6]
fputws(GLIBC_2.2)[1]rand(GLIBC_2.2)[6]wcscpy(GLIBC_2.2)[6]
fread(GLIBC_2.0)[6]rand_r(GLIBC_2.0)[6]wcscspn(GLIBC_2.0)[6]
free(GLIBC_2.0)[6]random(GLIBC_2.0)[6]wcsdup(GLIBC_2.0)[3]
freeaddrinfo[7]random_r()[3]wcsftime()[1]
freopen(GLIBC_2.0)[6]re_comp(GLIBC_2.0)[6]wcslen(GLIBC_2.0)[6]
freopen64(GLIBC_2.1)[2]re_exec(GLIBC_2.1)[6]wcsncasecmp(GLIBC_2.1)[3]
fscanf(GLIBC_2.0)[6]read(GLIBC_2.0)[6]wcsncat(GLIBC_2.0)[6]
fseek(GLIBC_2.0)[6]readdir(GLIBC_2.0)[6]wcsncmp(GLIBC_2.0)[6]
fseeko(GLIBC_2.1)[6]readdir64(GLIBC_2.1)[2]wcsncpy(GLIBC_2.1)[6]
fseeko64(GLIBC_2.1)[2]readdir_r[6]wcsnlen(GLIBC_2.1)[3]
fsetpos(GLIBC_2.0)[6]readlink(GLIBC_2.0)[6]wcsnrtombs(GLIBC_2.0)[3]
fsetpos64(GLIBC_2.1)[2]readv(GLIBC_2.1)[6]wcspbrk(GLIBC_2.1)[1]
fstatvfs(GLIBC_2.1)[6]realloc(GLIBC_2.1)[6]wcsrchr(GLIBC_2.1)[6]
fstatvfs64(GLIBC_2.1)[2]realpath(GLIBC_2.1)[6]wcsrtombs(GLIBC_2.1)[6]
fsync(GLIBC_2.0)[6]recv(GLIBC_2.0)[5]wcsspn(GLIBC_2.0)[6]
ftell(GLIBC_2.0)[6]recvfrom(GLIBC_2.0)[5]wcsstr(GLIBC_2.0)[6]
ftello(GLIBC_2.1)[6]recvmsg(GLIBC_2.1)[5]wcstod(GLIBC_2.1)[6]
ftello64(GLIBC_2.1)[2]regcomp(GLIBC_2.1)[6]wcstof(GLIBC_2.1)[1]
ftime(GLIBC_2.0)[6]regerror(GLIBC_2.0)[6]wcstoimax(GLIBC_2.0)[1]
ftok(GLIBC_2.0)[6]regexec(GLIBC_2.0)[6]wcstok(GLIBC_2.0)[6]
ftruncate(GLIBC_2.0)[6]regfree(GLIBC_2.0)[6]wcstol(GLIBC_2.0)[6]
ftruncate64(GLIBC_2.1)[2]remove(GLIBC_2.1)[6]wcstold(GLIBC_2.1)[1]
ftrylockfile(GLIBC_2.0)[6]remque(GLIBC_2.0)[6]wcstoll(GLIBC_2.0)[1]
ftw(GLIBC_2.0)[6]rename(GLIBC_2.0)[6]wcstombs(GLIBC_2.0)[6]
ftw64(GLIBC_2.1)[2]rewind(GLIBC_2.1)[6]wcstoq(GLIBC_2.1)[3]
funlockfile(GLIBC_2.0)[6]rewinddir(GLIBC_2.0)[6]wcstoul(GLIBC_2.0)[6]
fwide(GLIBC_2.2)[1]rindex(GLIBC_2.2)[6]wcstoull(GLIBC_2.2)[1]
fwprintf(GLIBC_2.2)[6]rmdir(GLIBC_2.2)[6]wcstoumax(GLIBC_2.2)[1]
fwrite(GLIBC_2.0)[6]sbrk(GLIBC_2.0)[6]wcstouq(GLIBC_2.0)[3]
fwscanf(GLIBC_2.2)[1]scanf(GLIBC_2.2)[6]wcswcs(GLIBC_2.2)[6]
gai_strerror[7]sched_get_priority_max()[6]wcswidth()[6]
gcvt(GLIBC_2.0)[6]sched_get_priority_min(GLIBC_2.0)[6]wcsxfrm(GLIBC_2.0)[6]
getaddrinfo[7]sched_getparam()[6]wctob()[6]
getc(GLIBC_2.0)[6]sched_getscheduler(GLIBC_2.0)[6]wctomb(GLIBC_2.0)[6]
getc_unlocked(GLIBC_2.0)[6]sched_rr_get_interval(GLIBC_2.0)[6]wctrans(GLIBC_2.0)[6]
getchar(GLIBC_2.0)[6]sched_setparam(GLIBC_2.0)[6]wctype(GLIBC_2.0)[6]
getchar_unlocked(GLIBC_2.0)[6]sched_setscheduler(GLIBC_2.0)[6]wcwidth(GLIBC_2.0)[6]
getcontext(GLIBC_2.1)[6]sched_yield(GLIBC_2.1)[6]wmemchr(GLIBC_2.1)[6]
getcwd(GLIBC_2.0)[6]seed48(GLIBC_2.0)[6]wmemcmp(GLIBC_2.0)[6]
getdate(GLIBC_2.1)[6]seekdir(GLIBC_2.1)[6]wmemcpy(GLIBC_2.1)[6]
getdomainname(GLIBC_2.0)[3]select(GLIBC_2.0)[5]wmemmove(GLIBC_2.0)[6]
getegid(GLIBC_2.0)[6]semctl(GLIBC_2.0)[6]wmemset(GLIBC_2.0)[6]
getenv(GLIBC_2.0)[6]semget(GLIBC_2.0)[6]wordexp(GLIBC_2.0)[6]
geteuid(GLIBC_2.0)[6]semop(GLIBC_2.0)[6]wordfree(GLIBC_2.0)[6]
getgid(GLIBC_2.0)[6]send(GLIBC_2.0)[5]wprintf(GLIBC_2.0)[1]
getgrent(GLIBC_2.0)[6]sendmsg(GLIBC_2.0)[5]write(GLIBC_2.0)[6]
getgrgid(GLIBC_2.0)[6]sendto(GLIBC_2.0)[5]writev(GLIBC_2.0)[6]
getgrgid_r(GLIBC_2.0)[6]setbuf(GLIBC_2.0)[6]wscanf(GLIBC_2.0)[1]
getgrnam(GLIBC_2.0)[6]setbuffer(GLIBC_2.0)[3]xdr_accepted_reply(GLIBC_2.0)[8]
getgrnam_r(GLIBC_2.0)[6]setcontext(GLIBC_2.0)[6]xdr_array(GLIBC_2.0)[8]
getgroups(GLIBC_2.0)[6]setdomainname[3]xdr_bool(GLIBC_2.0)[8]
gethostbyaddr(GLIBC_2.0)[5]setegid(GLIBC_2.0)[3]xdr_bytes(GLIBC_2.0)[8]
gethostbyname(GLIBC_2.0)[3]setenv[3]xdr_callhdr(GLIBC_2.0)[8]
gethostbyname_r(GLIBC_2.1.2)[3]seteuid(GLIBC_2.1.2)[3]xdr_callmsg(GLIBC_2.1.2)[8]
gethostid(GLIBC_2.0)[6]setgid(GLIBC_2.0)[6]xdr_char(GLIBC_2.0)[8]
gethostname(GLIBC_2.0)[5]setgrent(GLIBC_2.0)[6]xdr_double(GLIBC_2.0)[8]
getitimer(GLIBC_2.0)[6]setgroups(GLIBC_2.0)[3]xdr_enum(GLIBC_2.0)[8]
getloadavg(GLIBC_2.2)[3]sethostid(GLIBC_2.2)[3]xdr_float(GLIBC_2.2)[8]
getlogin(GLIBC_2.0)[6]sethostname(GLIBC_2.0)[3]xdr_free(GLIBC_2.0)[8]
getnameinfo[7]setitimer()[6]xdr_int()[8]
getnetbyaddr(GLIBC_2.0)[5]setlocale(GLIBC_2.0)[6]xdr_long(GLIBC_2.0)[8]
getopt(GLIBC_2.0)[3]setlogmask(GLIBC_2.0)[6]xdr_opaque(GLIBC_2.0)[8]
getopt_long(GLIBC_2.0)[3]setnetent(GLIBC_2.0)[5]xdr_opaque_auth(GLIBC_2.0)[8]
getopt_long_only(GLIBC_2.0)[3]setpgid(GLIBC_2.0)[6]xdr_pointer(GLIBC_2.0)[8]
getpagesize(GLIBC_2.0)[6]setpgrp(GLIBC_2.0)[6]xdr_reference(GLIBC_2.0)[8]
getpeername(GLIBC_2.0)[5]setpriority(GLIBC_2.0)[6]xdr_rejected_reply(GLIBC_2.0)[8]
getpgid(GLIBC_2.0)[6]setprotoent(GLIBC_2.0)[5]xdr_replymsg(GLIBC_2.0)[8]
getpgrp(GLIBC_2.0)[6]setpwent(GLIBC_2.0)[6]xdr_short(GLIBC_2.0)[8]
getpid(GLIBC_2.0)[6]setregid(GLIBC_2.0)[6]xdr_string(GLIBC_2.0)[8]
getppid(GLIBC_2.0)[6]setreuid(GLIBC_2.0)[6]xdr_u_char(GLIBC_2.0)[8]
getpriority(GLIBC_2.0)[6]setrlimit(GLIBC_2.0)[6]xdr_u_int(GLIBC_2.0)[3]
getprotobyname(GLIBC_2.0)[6]setrlimit64[2]xdr_u_long(GLIBC_2.0)[8]
getprotobynumber(GLIBC_2.0)[5]setservent(GLIBC_2.0)[5]xdr_u_short(GLIBC_2.0)[8]
getprotoent(GLIBC_2.0)[6]setsid(GLIBC_2.0)[6]xdr_union(GLIBC_2.0)[8]
getpwent(GLIBC_2.0)[6]setsockopt(GLIBC_2.0)[5]xdr_vector(GLIBC_2.0)[8]
getpwnam(GLIBC_2.0)[6]setstate(GLIBC_2.0)[6]xdr_void(GLIBC_2.0)[8]
getpwnam_r(GLIBC_2.0)[3]setuid(GLIBC_2.0)[6]xdr_wrapstring(GLIBC_2.0)[8]
getpwuid(GLIBC_2.0)[6]setutent(GLIBC_2.0)[3]xdrmem_create(GLIBC_2.0)[8]
getpwuid_r(GLIBC_2.0)[6]setutxent(GLIBC_2.0)[6]xdrrec_create(GLIBC_2.0)[8]
getrlimit(GLIBC_2.2)[6]setvbuf(GLIBC_2.2)[6]xdrrec_eof(GLIBC_2.2)[8]
getrlimit64(GLIBC_2.1)[2]shmat(GLIBC_2.1)[6] 

Table A-17. libc Data Interfaces

__ctype_tolower[3]__environ[3]_sys_errlist[3]
__daylight[3]__timezone[3]