| asctime() |
| basename() |
| catgets() |
| crypt() |
| ctermid()//if passed a non-NULL argument |
| ctime() |
| dbm_clearerr() |
| dbm_close() |
| dbm_delete() |
| dbm_error() |
| dbm_fetch() |
| dbm_firstkey() |
| dbm_nextkey() |
| dbm_open() |
| dbm_store() |
| dirname() |
| dlerror() |
| drand48() |
| ecvt()//[POSIX.1-2001 only (function removed in POSIX.1-2008)] |
| encrypt() |
| endgrent() |
| endpwent() |
| endutxent() |
| fcvt()//[POSIX.1-2001 only (function removed in POSIX.1-2008)] |
| ftw() |
| gcvt()//[POSIX.1-2001 only (function removed in POSIX.1-2008)] |
| getc_unlocked() |
| getchar_unlocked() |
| getdate() |
| getenv() |
| getgrent() |
| getgrgid() |
| getgrnam() |
| gethostbyaddr()//[POSIX.1-2001 only (function removed in POSIX.1-2008)] |
| gethostbyname()//[POSIX.1-2001 only (function removed in POSIX.1-2008)] |
| gethostent() |
| getlogin() |
| getnetbyaddr() |
| getnetbyname() |
| getnetent() |
| getopt() |
| getprotobyname() |
| getprotobynumber() |
| getprotoent() |
| getpwent() |
| getpwnam() |
| getpwuid() |
| getservbyname() |
| getservbyport() |
| getservent() |
| getutxent() |
| getutxid() |
| getutxline() |
| gmtime() |
| hcreate() |
| hdestroy() |
| hsearch() |
| inet_ntoa() |
| l64a() |
| lgamma() |
| lgammaf() |
| lgammal() |
| localeconv() |
| localtime() |
| lrand48() |
| mrand48() |
| nftw() |
| nl_langinfo() |
| ptsname() |
| putc_unlocked() |
| putchar_unlocked() |
| putenv() |
| pututxline() |
| rand() |
| readdir() |
| setenv() |
| setgrent() |
| setkey() |
| setpwent() |
| setutxent() |
| strerror() |
| strsignal()//[Added in POSIX.1-2008] |
| strtok() |
| system()//[Added in POSIX.1-2008] |
| tmpnam()//if passed a non-NULL argument |
| ttyname() |
| unsetenv() |
| wcrtomb()//if its final argument is NULL |
| wcsrtombs()//if its final argument is NULL |
| wcstombs() |
| wctomb() |