1 files changed, 11 insertions, 0 deletions
diff --git a/na/lib/string/memcmp.c b/na/lib/string/memcmp.c
new file mode 100644
index 0000000..15606f4
--- /dev/null
+++ b/na/lib/string/memcmp.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: MIT */
+/* Derived from musl libc (Copyright © 2005-2020 Rich Felker, et al.) */
+
+#include <string.h>
+
+int memcmp(const void *vl, const void *vr, size_t n)
+{
+	const unsigned char *l=vl, *r=vr;
+	for (; n && *l == *r; n--, l++, r++);
+	return n ? *l-*r : 0;
+}