Simplify code for do_tolower, do_toupper.

1 files changed, 1 insertions, 0 deletions

diff --git a/awk.h b/awk.h
index 84a7d18e..664b4f7c 100644
--- a/awk.h
+++ b/awk.h
@@ -1321,6 +1321,7 @@ extern void unref(NODE *tmp);
 extern int parse_escape(const char **string_ptr);
 #ifdef MBS_SUPPORT
 extern NODE *str2wstr(NODE *n, size_t **ptr);
+extern NODE *wstr2str(NODE *n);
 #define force_wstring(n)	str2wstr(n, NULL)
 extern const wchar_t *wstrstr(const wchar_t *haystack, size_t hs_len,
 		const wchar_t *needle, size_t needle_len);