Variables starting with `r' in kern

• raw_init kern/uipc_proto.c:66
• releases kern/syscalls.master:39
• retval kern/kern_descrip.c:92
• rootfs kern/vfs_conf.c:43
• rootvnode kern/vfs_conf.c:44
• rootvp kern/init_main.c:90
• runp kern/vnode_if.src:388
• runtime kern/init_main.c:93
• rval kern/kern_exit.c:77