cmdpass
switch (cmdpass(cmd, pass)) {
case cmdpass(RTM_ADD, 1):
case cmdpass(RTM_CHANGE, 1):
case cmdpass(RTM_DELETE, 2):
case cmdpass(RTM_NEWADDR, 1):
case cmdpass(RTM_DELADDR, 1):
case cmdpass(RTM_CHGADDR, 1):
case cmdpass(RTM_ADD, 2):
case cmdpass(RTM_CHANGE, 2):
case cmdpass(RTM_DELETE, 1):