1 files changed, 13 insertions, 0 deletions
diff --git a/src/ctype/iscntrl.c b/src/ctype/iscntrl.c
new file mode 100644
index 0000000..f27837e
--- /dev/null
+++ b/src/ctype/iscntrl.c
@@ -0,0 +1,13 @@
+#include <ctype.h>
+
+int iscntrl(int c)
+{
+	return (unsigned)c < 0x20 || c == 0x7f;
+}
+
+int __iscntrl_l(int c, locale_t l)
+{
+	return iscntrl(c);
+}
+
+weak_alias(__iscntrl_l, iscntrl_l);