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#include "stdio_impl.h"
#include <wchar.h>

int fputws(const wchar_t *restrict ws, FILE *restrict f)
{
	unsigned char buf[BUFSIZ];
	size_t l=0;

	FLOCK(f);

#ifndef __EMSCRIPTEN__
	f->mode |= f->mode+1;
#endif

	while (ws && (l = wcsrtombs((void *)buf, (void*)&ws, sizeof buf, 0))+1 > 1)
#ifndef __EMSCRIPTEN__
		if (__fwritex(buf, l, f) < l) {
#else
		if (fwrite(buf, 1, l, f) < l) {
#endif
			FUNLOCK(f);
			return -1;
		}

	FUNLOCK(f);

	return l; /* 0 or -1 */
}

weak_alias(fputws, fputws_unlocked);