Section (3) fcloseall
fcloseall — close all open streams
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <stdio.h>
closes all of the calling process_zsingle_quotesz_s open streams. Buffered
output for each stream is written before it is closed (as for
fflush(3)); buffered input
The standard streams,
stderr are also closed.
This function returns 0 if all files were successfully
closed; on error,
For an explanation of the terms used in this section, see attributes(7).
||Thread safety||MT-Unsafe race:streams|
does not lock the streams, so it is not thread-safe.
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