fcloseall - close all open streams
#define _GNU_SOURCE /* See feature_test_macros(7) */
() function closes all of the calling process's open
streams. Buffered output for each stream is written before it is closed (as
); buffered input is discarded.
The standard streams, stdin
, and stderr
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)
() function does not lock the streams, so it is not
This function is a GNU extension.
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