GNU
2017-09-15
manpages-dev
Manual pages about using GNU/Linux for development
man-pages
Linux kernel and C library user-space interface documentation
NAME
fcloseall - close all open streams
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <stdio.h>
int fcloseall(void);
DESCRIPTION
The fcloseall() function closes all of the calling process’s open streams. Buffered output for each stream is written before it is closed (as for fflush(3)); buffered input is discarded.
The standard streams, stdin, stdout, and stderr are also closed.
RETURN VALUE
This function returns 0 if all files were successfully closed; on error, EOF is returned.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| Thread safety | MT-Unsafe race:streams |
The fcloseall() function does not lock the streams, so it is not thread-safe.
CONFORMING TO
This function is a GNU extension.
