.bp .au "TSC \- intro.xx" .c The Straycats Program .2 \f(BIstraycats\fB finds cat pages without man pages to go with them. .2 This is a good example of processing colon-separated environment variables (which isn't the same as colon-delimited!), as well as how to get reasonable defaults for them. .2 We use both directory accessing techniques in this program.