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-rw-r--r--include/wchar.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/wchar.h b/include/wchar.h
index 4267985625..db83297bca 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -172,6 +172,10 @@ libc_hidden_proto (__mbrtowc)
 libc_hidden_proto (__mbrlen)
 extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
 			 __mbstate_t *__restrict __ps) attribute_hidden;
+extern size_t __wcrtomb_internal (char *__restrict __s, wchar_t __wc,
+				  __mbstate_t *__restrict __ps,
+				  size_t __s_size)
+     attribute_hidden;
 extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
 			   const char **__restrict __src,
 			   size_t __len, __mbstate_t *__restrict __ps)