Run the program without any arguments. Type in some very long lines and notice how it redisplays it.
The program itself looks like tty noise. Notice that even ‘define’ in #define can be defined.
Copyright © 1985, Landon Curt Noll & Larry Bassel. All Rights Reserved. Permission for personal, educational or non-profit use is granted provided this this copyright and notice are included in its entirety and remains unaltered. All other uses must receive prior permission in writing from both Landon Curt Noll and Larry Bassel.