1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libc/wctype/iswdigit.c b/lib/libc/wctype/iswdigit.c
new file mode 100644
index 00000000..e775f561
--- /dev/null
+++ b/lib/libc/wctype/iswdigit.c
@@ -0,0 +1,12 @@
+#include <libc.h>
+#include <wctype.h>
+
+int iswdigit(wint_t wc)
+{
+	return (wc >= L'0' && wc <= L'9');
+}
+
+weak int iswdigit_l(wint_t wc, locale_t unused locale)
+{
+	return iswdigit(wc);
+}