--- src/lib/libc/stdio/vswscanf.c	2005/11/20 11:07:30	1.2
+++ src/lib/libc/stdio/vswscanf.c	2006/03/02 18:05:30	1.3
@@ -91,7 +91,7 @@ vswscanf(const wchar_t * __restrict str,
 	f.fl_mutex = PTHREAD_MUTEX_INITIALIZER;
 	f.fl_owner = NULL;
 	f.fl_count = 0;
-	memset(&f._wcio, 0, sizeof(f._wcio));
+	memset(WCIO_GET(&f), 0, sizeof(struct wchar_io_data));
 	r = __vfwscanf_unlocked(&f, fmt, ap);
 	free(mbstr);