Redo the xified cc based on bin/cc.c, also add an xified ld based on bin/ld.c
-rw-r--r-- 812 .gitignore
-rw-r--r-- 3320 Makefile
drwxr-xr-x - bin
drwxr-xr-x - cproto-4.6
drwxr-xr-x - etc
drwxr-xr-x - games
drwxr-xr-x - include
drwxr-xr-x - lib
drwxr-xr-x - local
-rwxr-xr-x 67 n.sh
drwxr-xr-x - old
drwxr-xr-x - sys
drwxr-xr-x - test
drwxr-xr-x - ucb
drwxr-xr-x - undoc
drwxr-xr-x - usr.bin
drwxr-xr-x - usr.lib
drwxr-xr-x - xify