From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

---
 lib/libc/string/strspn.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 lib/libc/string/strspn.c

(limited to 'lib/libc/string/strspn.c')

diff --git a/lib/libc/string/strspn.c b/lib/libc/string/strspn.c
new file mode 100644
index 00000000..78277ae7
--- /dev/null
+++ b/lib/libc/string/strspn.c
@@ -0,0 +1,12 @@
+#include <stddef.h>
+#include <string.h>
+
+size_t strspn(const char *s1, const char *s2)
+{
+	size_t count = 0;
+	while (*s1 != '\0' && strchr(s2, *s1) != NULL) {
+		count++;
+		s1++;
+	}
+	return count;
+}
-- 
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