ref: 2f4e6dd1a8b367044948f75f62b51aae2a944dd2
dir: /sys/lib/dist.old/pc/sub/bind/
#!/bin/rc
rfork e
flag=0
while(~ $1 -*){
switch($1){
case -b
flag=1
case -a
flag=2
case -c
flag=4
case -ac -ca
flag=6
case -bc -cb
flag=5
}
shift
}
syscall bind $1 $2 $flag >[2]/dev/null