1 files changed, 9 insertions, 0 deletions
diff --git a/system/lib/libc/musl/src/locale/towupper_l.c b/system/lib/libc/musl/src/locale/towupper_l.c
new file mode 100644
index 00000000..ad02a4be
--- /dev/null
+++ b/system/lib/libc/musl/src/locale/towupper_l.c
@@ -0,0 +1,9 @@
+#include <wctype.h>
+#include "libc.h"
+
+wint_t towupper_l(wint_t c, locale_t l)
+{
+	return towupper(c);
+}
+
+weak_alias(towupper_l, __towupper_l);