1 files changed, 14 insertions, 0 deletions
diff --git a/src/ctype/isdigit.c b/src/ctype/isdigit.c
new file mode 100644
index 0000000..16beddb
--- /dev/null
+++ b/src/ctype/isdigit.c
@@ -0,0 +1,14 @@
+#include <ctype.h>
+#undef isdigit
+
+int isdigit(int c)
+{
+	return (unsigned)c-'0' < 10;
+}
+
+int __isdigit_l(int c, locale_t l)
+{
+	return isdigit(c);
+}
+
+weak_alias(__isdigit_l, isdigit_l);