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#include <stdio.h>
#include "_stdio.h"
/** flush buffered writes **/
int fflush(FILE *stream)
{
flockfile(stream);
if (stream == NULL) {
FILE *p;
for (p = __stdio.FILES; p != NULL; p = p->prev) {
fflush(p);
}
}
/*
if (fsync(stream->fd) != 0) {
stream->err = 1;
return EOF;
}
*/
funlockfile(stream);
/*
RETURN_SUCCESS(0);
RETURN_FAILURE(CONSTANT(EOF));
*/
return 0;
}
/***
function flushes any buffered write operations on ARGUMENT(stream) to
the underlying file.
If ARGUMENT(stream) is CONSTANT(NULL), THIS() will flush all open streams.
***/
/*
UNDEFINED(ARGUMENT(stream) is not an output stream)
UNDEFINED(ARGUMENT(stream) is an update stream in which the most recent operation was input)
*/
/*
STDC(1)
*/
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