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#define _GNU_SOURCE 1
#include <wchar.h>
#include <stdio.h>
#include <string.h>
#include <wctype.h>


int
main(void)
{
	int result = 0;
	char buf[100];
	wchar_t tmp[3];
	tmp[0] = '8';
	tmp[1] = '1';
	tmp[2] = 0;

	snprintf(buf, 100, "%S = %f", tmp, wcstof(tmp, NULL));
	printf("\"%s\" -> %s\n", buf, strcmp(buf, "81 = 81.000000") == 0 ? "okay"
		: "buggy");
	result |= strcmp(buf, "81 = 81.000000") != 0;

	return result;
}