Updated userspace

libc/src/string.c

@@ -0,0 +1,14 @@
+#include <string.h>
+
+int strncmp(const char *s1, const char *s2, size_t n)
+{
+    for (size_t i = 0; i < n; i++)
+    {
+        char c1 = s1[i], c2 = s2[i];
+        if (c1 != c2)
+            return c1 - c2;
+        if (!c1)
+            return 0;
+    }
+    return 0;
+}