From 4e09bca9e34c226b6d7e34b4fa11248405fd988e Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Sun, 22 Oct 2023 19:50:38 +0200
Subject: Move everything into a new repo.

---
 userland/libc/ctype/isalpha.c | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 userland/libc/ctype/isalpha.c

(limited to 'userland/libc/ctype/isalpha.c')

diff --git a/userland/libc/ctype/isalpha.c b/userland/libc/ctype/isalpha.c
new file mode 100644
index 0000000..130f493
--- /dev/null
+++ b/userland/libc/ctype/isalpha.c
@@ -0,0 +1,4 @@
+#include <ctype.h>
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/isalpha.html
+int isalpha(int c) { return (('A' <= toupper(c)) && ('Z' >= toupper(c))); }
-- 
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