Variables starting with `m' in kern

• mb_map kern/uipc_mbuf.c:54
• mbutl kern/uipc_mbuf.c:55
• MCFail kern/uipc_mbuf.c:256
• mclrefcnt kern/uipc_mbuf.c:56
• mfs_vfsops kern/vfs_conf.c:63
• MPFail kern/uipc_mbuf.c:464