...iases to be used with gethostbyname (3). • TZ and TZDIR give timezone information used by tzset (3) and through that by functions like ctime (3), localtime (3), mktime (3), strf…...linkat() [Added in POSIX.1-2008] sync() syslog() tmpfile() tmpnam() ttyname() ttyname_r() tzset() ungetc() ungetwc() unlink() unlinkat() [Added in POSIX.1-2008] utime() [Added i…