Structs starting with `r' in BSD4-4

• radix_mask net/radix.h:82
• radix_node net/radix.h:43
• radix_node_head net/radix.h:100
• rawarc sys/gmon.h:112
• rawcb net/raw_cb.h:40
• rawisopcb netiso/iso_pcb.h:101
• read_args kern/sys_generic.c:54
• readlink_args kern/vfs_syscalls.c:1236
• readv_args kern/sys_generic.c:110
• reboot_args kern/kern_xxx.c:44
• recvfrom_args kern/uipc_syscalls.c:582
• recvmsg_args kern/uipc_syscalls.c:701
• region_descriptor i386/include/segments.h:177
• relocation_info i386/include/reloc.h:37
• rename_args kern/vfs_syscalls.c:1695
• revoke_args kern/vfs_syscalls.c:2051
• rexit_args kern/kern_exit.c:70
• rlimit sys/resource.h:99
• rmdir_args kern/vfs_syscalls.c:1820
• route net/route.h:48
• route_cb net/route.h:220
• route_iso netiso/iso_pcb.h:77
• rt_addrinfo net/route.h:215
• rtentry net/route.h:89
• rt_metrics net/route.h:57
• rt_msghdr net/route.h:149
• rtstat net/route.h:139
• rttl nfs/nfsrtt.h:55
• rusage kern/kern_resource.c:411