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NAME
fcloseall - close all open streams
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
bash
#define _GNU_SOURCE\n /* See feature_test_macros(7) */
\n#include <stdio.h>bash
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 |
| fcloseall () | Thread safety | MT-Unsafe race:streams |
The fcloseall() function does not lock the streams, so it is not thread-safe.
STANDARDS
GNU.
SEE ALSO
close(2), fclose(3), fflush(3), fopen(3), setbuf(3)