From 46f101dcef6c4e4495f8d187e5c31bd10e0eb370 Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Sun, 8 Dec 2024 18:56:47 +0100
Subject: kernel/libc: Add isdigit()

---
 kernel/libc/ctype/isdigit.c | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 kernel/libc/ctype/isdigit.c

(limited to 'kernel/libc')

diff --git a/kernel/libc/ctype/isdigit.c b/kernel/libc/ctype/isdigit.c
new file mode 100644
index 0000000..0d4f076
--- /dev/null
+++ b/kernel/libc/ctype/isdigit.c
@@ -0,0 +1,5 @@
+#include <ctype.h>
+
+int isdigit(int c) {
+  return ('0' <= c && c <= '9');
+}
-- 
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