Variables starting with `r' in kern

• raw_init kern/uipc_proto.c:67
• releases kern/syscalls.master:26
• rlp kern/kern_resource.c:279
• rootdir kern/vfs_conf.c:44
• rootfs kern/vfs_conf.c:43
• rootvp kern/init_main.c:82
• routine kern/syscalls.master:11
• rsv kern/uipc_syscalls.c:310
• rusage kern/kern_resource.c:298
• rval kern/kern_exit.c:73