C: set -r by default
 [rsc] --rwxrwxr-x M 951118 glenda sys 889 Mar 21 11:31 rc/bin/C
	/n/sourcesdump/2006/0321/plan9/rc/bin/C:2,7 - 
	/n/sourcesdump/2006/0322/plan9/rc/bin/C:2,8
	  
	  rfork n
	  oflag=()
	+ opt=-r
	  while(~ $1 -*)
	  	switch($1){
	  	case -r
	/n/sourcesdump/2006/0321/plan9/rc/bin/C:18,23 - 
	/n/sourcesdump/2006/0322/plan9/rc/bin/C:19,26
	  switch($1){
	  case fs
	  	server=edith
	+ case sources
	+ 	server=ethel
	  case ella
	  	exec C office0
	  	exit