1 files changed, 13 insertions, 0 deletions
diff --git a/src/ctype/iswxdigit.c b/src/ctype/iswxdigit.c
new file mode 100644
index 0000000..62bc9e7
--- /dev/null
+++ b/src/ctype/iswxdigit.c
@@ -0,0 +1,13 @@
+#include <wctype.h>
+
+int iswxdigit(wint_t wc)
+{
+	return (unsigned)(wc-'0') < 10 || (unsigned)((wc|32)-'a') < 6;
+}
+
+int __iswxdigit_l(wint_t c, locale_t l)
+{
+	return iswxdigit(c);
+}
+
+weak_alias(__iswxdigit_l, iswxdigit_l);