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#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "_format.h"

/** read formatted input from a file stream **/

int fscanf(FILE * restrict stream, const char * restrict format, ...)
{
	int ret = 0;
	va_list ap;
	struct io_options opt = {0};

	SIGNAL_SAFE(0);
	ASSERT_NOOVERLAP(stream, sizeof(*stream), format, strlen(format));

	opt.fnname = "fscanf";
	opt.stream = stream;
	va_start(ap, format);
	ret = __scanf(&opt, format, ap);
	va_end(ap);
	/*
	RETURN_SUCCESS(the number of input items assigned);
	RETURN_FAILURE(CONSTANT(EOF));
	*/
	return ret;
}

/***
reads formatted input from ARGUMENT(stream). The format of ARGUMENT(format) at
the variadic arguments is the same as that for FUNCTION(scanf).
***/

/*
STDC(1)
*/