_exit
_Exit
_longjmp
_setjmp
_tolower
_toupper
a64l abort abs accept access acos acosf acosh acoshf acoshl acosl alarm alphasort asctime asctime_r asin asinf asinh asinhf asinhl asinl assert atan atan2 atan2f atan2l atanf atanh atanhf atanhl atanl atexit atof atoi atol atoll
basename bind bsearch btowc
cabs cabsf cabsl cacos cacosf cacosh cacoshf cacoshl cacosl calloc carg cargf cargl casin casinf casinh casinhf casinhl casinl catan catanf catanh catanhf catanhl catanl catclose catgets catopen cbrt cbrtf cbrtl ccos ccosf ccosl ceil ceilf ceill cexp cexpf cexpl cfgetispeed cfgetospeed cfsetispeed cfsetospeed chdir chmod chown cimag cimagf cimagl clearerr clock clock_getcpuclockid clock_getres clock_gettime clock_nanosleep clock_settime clog clogf clogl close closedir closelog confstr conj conjf conjl connect copysign copysignf copysignl cos cosf cosh coshf coshl cosl cpow cpowf cpowl cproj cprojf cprojl creal crealf creall creat crypt csin csinf csinh csinhf csinhl csinl csqrt csqrtf csqrtl ctan ctanf ctanh ctanhf ctanhl ctanl ctermid ctime ctime_r
dbm_clearerr dbm_close dbm_delete dbm_error dbm_fetch dbm_firstkey dbm_nextkey dbm_open difftime dirfd dirname div dlclose dlerror dlopen dlsym dprintf drand48 dup dup2 duplocale
encrypt endgrent endhostent endnetent endprotoent endpwent endservent endutxent erand48 erf erff erfl execl execle execlp execv execve execvp exit exp exp2 exp2f exp2l expf expl expm1 expm1f expm1l
FD_CLR FD_ISSET FD_SET FD_ZERO
fabs fabsf fabsl faccessat fadatasync fattach fchdir fchmod fchmodat fchown fchownat fclose fcntl fdatasync fdetach fdim fdimf fdiml fdopen fdopendir feclearexcept fegetenv fegetexceptflag fegetround feholdexcept feof feraiseexcept ferror fesetenv fesetexceptflag fesetround fetestexcept feupdateenv fexecve fflush ffs fgetc fgetpos fgets fgetwc fgetws fileno flockfile floor floorf floorl fma fmaf fmal fmax fmaxf fmaxl fmemopen fmin fminf fminl fmod fmodf fmodl fmtmsg fnmatch fopen fork fpathconf fpclassify fprintf fputc fputs fputwc fputws fread free freeaddrinfo freelocale freopen frexp frexpf frexpl fscanf fseek fseeko fsetpos fstat fstatat fstatvfs fsync ftell ftello ftok ftruncate trylockfile ftw funlockfile futimens fwide fwprintf fwrite fwscanf
gai_strerror getaddrinfo getc getc_unlocked getchar getchar_unlocked getcwd getdate getdelim getegid getenv geteuid getgid getgrent getgrgid getgrgid_r getgrnam getgrnam_r getgroups gethostent gethostid gethostname getitimer getline getlogin getlogin_r getnetbyaddr getnetbyname getnetent getpgrp getpid getppid getprotobyname getprotobynumber getprotoent getpwent getpwnam getpwuid gets getservbyname getservbyport getservent gettime getuid getutxent getutxid getutxline
isatty
jrand48
kill
labs lcong48 ldexp ldiv link log log10 longjmp lrand48 lrand48 lseek lstat
malloc mblen mbstowcs mbtowc memchr memcmp memcpy memmove memset mkdir mkfifo mmap modf mount mrand48 munmap
nrand48 nrand48
open opendir openlog
pathconf perror pipe pow printf pselect putc putc_unlocked putchar putchar_unlocked puts pututxline
qsort
rand rand_r read readdir realloc remove rename rename rewind rmdir
scandir scanf sched_getparam seed48 select setgrent sethostent setitimer setjmp setlogmask setnetent setpgid setpgid setprotoent setpwent setservent setsid setutxent setvbuf sigaddset sigemptyset sigfillset siglongjmp signal sigpending sigprocmask sigsetjmp sigsuspend sin sinh sleep snprintf sprintf sqrt srand srand48 sscanf stat statvfs sterror stime strcat strchr strcmp strcoll strcpy strcspn strlen strncat strncmp strncpy strpbrk strrchr strspn strstr strtod strtok strtol strtoll strtoul strtoull strxfrm swprintf swscanf syslog system
tanh tcdrain tcflush tcgetattr tcgetpgrp tcsendbreak tcsetpgrp time times tmpfile tmpnam
umask umount ungetc unlink usleep utime utimensat
vfork vfprintf vprintf vsprintf
waitpid wcstombs wctomb wprintf write wscanf