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-rw-r--r--wcsmbs/wchar.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
index 5dc7e19..f54abfa 100644
--- a/wcsmbs/wchar.h
+++ b/wcsmbs/wchar.h
@@ -600,6 +600,13 @@ extern wchar_t *wcpncpy (wchar_t *__dest, __const wchar_t *__src, size_t __n)
/* Wide character I/O functions. */
+
+#ifdef __USE_GNU
+/* Like OPEN_MEMSTREAM, but the stream is wide oriented and produces
+ a wide character string. */
+extern __FILE *open_wmemstream (wchar_t **__bufloc, size_t *__sizeloc) __THROW;
+#endif
+
#if defined __USE_ISOC99 || defined __USE_UNIX98
__BEGIN_NAMESPACE_C99