Too incompetent to do an ASM version. Here, have some C instead.

Author: alyx

src/string/string.c

@@ -0,0 +1,17 @@
+size_t strlen(const char *s)
+{
+    const char *p;
+
+    while (1)
+    {
+        if(!*(ptr++)) break;
+        if(!*(ptr++)) break;                                                                                                                                                                    
+        if(!*(ptr++)) break;                                                                                                                                                                    
+        if(!*(ptr++)) break;                                                                                                                                                                    
+        if(!*(ptr++)) break;                                                                                                                                                                    
+        if(!*(ptr++)) break;                                                                                                                                                                    
+        if(!*(ptr++)) break;                                                                                                                                                                    
+    }
+
+    return (ptr - 1) - s;
+}