fcloseall - Man Page

Standard C library (libc, -lc)

#define _GNU_SOURCE         /* See feature_test_macros(7) */
#include <stdio.h>

int fcloseall(void);

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.

This function returns 0 if all files were successfully closed; on error, EOF is returned.

For an explanation of the terms used in this section, see attributes(7).

The fcloseall() function does not lock the streams, so it is not thread-safe.

GNU.

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

fclose(3).