Linux 2.6 - man page for fcloseall (linux section 3)
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FCLOSEALL(3) Linux Programmer's Manual FCLOSEALL(3)
fcloseall - close all open streams
#define _GNU_SOURCE /* See feature_test_macros(7) */
The fcloseall() function closes all of the calling process's open streams. Buffered out-
put for each stream is written before it is closed (as for fflush(3)); buffered input is
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.
Multithreading (see pthreads(7))
The fcloseall() function does not lock the streams, so it is not thread-safe.
This function is a GNU extension.
close(2), fclose(3), fflush(3), fopen(3), setbuf(3)
This page is part of release 3.55 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
GNU 2013-06-21 FCLOSEALL(3)
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