1 files changed, 8 insertions, 0 deletions
diff --git a/src/ctype/iswupper.c b/src/ctype/iswupper.c
index eae59a75..6e1e029c 100644
--- a/src/ctype/iswupper.c
+++ b/src/ctype/iswupper.c
@@ -1,6 +1,14 @@
 #include <wctype.h>
+#include "libc.h"
 
 int iswupper(wint_t wc)
 {
 	return towlower(wc) != wc;
 }
+
+int __iswupper_l(wint_t c, locale_t l)
+{
+	return iswupper(c);
+}
+
+weak_alias(__iswupper_l, iswupper_l);