Add build system scaffolding and libc headers

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/libc/string/memcmp.c b/lib/libc/string/memcmp.c
new file mode 100644
index 00000000..5efb282f
--- /dev/null
+++ b/lib/libc/string/memcmp.c
@@ -0,0 +1,14 @@
+#include <stddef.h>
+
+int memcmp(const void *s1, const void *s2, size_t n)
+{
+	const unsigned char *p1 = s1;
+	const unsigned char *p2 = s2;
+	while (n--) {
+		if (*p1 != *p2)
+			return *p1 - *p2;
+		p1++;
+		p2++;
+	}
+	return 0;
+}