begin fixing build errors

kernel/types.c

@@ -1,9 +1 @@
 #include "types.h"
-
-// Example: Basic memory helper (unnecessary if libc exists)
-void *memset(void *dest, int value, size_t len) {
-    unsigned char *ptr = (unsigned char *)dest;
-    while (len-- > 0)
-        *ptr++ = (unsigned char)value;
-    return dest;
-}