FCLOSEALLSection: Linux Programmer's Manual (3)
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NAMEfcloseall - close all open streams
#define _GNU_SOURCE #include <stdio.h> int fcloseall(void);
DESCRIPTIONThe 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.
RETURN VALUEThis function returns 0 if all files were successfully closed; on error, EOF is returned.
CONFORMING TOThis function is a GNU extension.
SEE ALSOclose(2), fclose(3), fflush(3), fopen(3), setbuf(3), feature_test_macros(7)
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.