redhat man page for fcloseall

FCLOSE(3)						     Linux Programmer's Manual							 FCLOSE(3)

NAME
       fcloseall - close all open streams

SYNOPSIS
       #define _GNU_SOURCE

       #include <stdio.h>

       int fcloseall(void);

DESCRIPTION
       The  fcloseall  function  dissociates  all  open streams from its underlying file or set of functions.  Any buffered output data is written
       first, using fflush(3).	Note that the standard streams (stdin, stdout and stderr) are also closed.

RETURN VALUE
       This function always returns 0.

SEE ALSO
       fclose(3), close(2), fflush(3), fopen(3), setbuf(3)

CONFORMING TO
       The fcloseall function is a GNU extension.

GNU
								    1998-04-10								 FCLOSE(3)