NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include ... char *getlogin(void); int getlogin_r(char buf [. bufsize ], size_t…NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include ... char *getlogin(void); int getlogin_r(char buf [. bufsize ], size_t…NAME getlogin, getlogin_r, cuserid - get username LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include ... char *getlogin(void); int getlogin_r(char buf [. bufsize ], size_t…gethostname() getline() [Added in POSIX.1-2008] getlogin() getlogin_r() getnameinfo() getnetbyaddr() getnetbyname() getnetent() getopt() (if opterr