Topic       : Pure C Library Documentation
Author      : John Kormylo
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Subject     : Documentation/Pure C Library
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View Ref-File[ fflush ]

#include <stdio.h>

int fflush( FILE *stream );

  <stream> is an open stream (see fopen).


Function flushes the output buffer to the file.  In particular, it can
be used on stdout or stderr to display a message without using a
newline.

It returns 0 normally, or an error code on a write error.

See also Standard I/O and errno.