...OSIX.1-2008 TC2 strspn (3) Added in POSIX.1-2008 TC2 strstr (3) Added in POSIX.1-2008 TC2 strtok_r (3) Added in POSIX.1-2008 TC2 symlink (2) symlinkat (2) Added in POSIX.1-2008 …...ocked () getchar_unlocked () putc_unlocked () putchar_unlocked () rand_r () strerror_r () strtok_r () asctime_r () ctime_r () gmtime_r () localtime_r () TSP - _POSIX_THREAD_SPOR…...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 ttynam…