-/* Read characters from given stream into the array s, stopping at \n or EOF.
- The string read is terminated with \0. Returns s if successful. If EOF is
- encountered before any characters are read, the contents of s are unchanged,
- and NULL is returned. If a read error occurs, the contents of s are indeter-
- minate, and NULL is returned.
-*/
-char * gets( char * s );
-