Class diagram for OptionString:

Construct with the name of this option and a memory location to hold a string.
It will match any string token in the command line when parse is called
[virtual]
[virtual]
[virtual]
[virtual]Parse a token for an integer.
Returns true if successful, false otherwise.
Reimplemented from Option.
written by Dimitri van Heesch, © 1997-1999