2 @section @code{getlogin}
5 POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/getlogin.html}
7 Gnulib module: getlogin
9 Portability problems fixed by Gnulib:
12 This function is missing on some platforms:
15 This function is not declared unless @code{_POSIX} is defined on some platforms:
19 Portability problems not fixed by Gnulib:
22 This function returns an empty string even when standard input is a tty