1 files changed, 6 insertions, 0 deletions
diff --git a/userland/libc/ctype/isalnum.c b/userland/libc/ctype/isalnum.c
new file mode 100644
index 0000000..870728d
--- /dev/null
+++ b/userland/libc/ctype/isalnum.c
@@ -0,0 +1,6 @@
+#include <ctype.h>
+
+// This is probably the most useless libc function I have seen so far.
+int isalnum(int c) {
+	return isalpha(c) || isdigit(c);
+}