This source code was written so that it would be portable on C compilers which conform to the ANSI C standard. There are 4 lines which have been commented out. These lines of code are necessary to develop a program which handles command-line arguments on a Macintosh. Please give this source code away to your friends at no charge.
Suggestions are always welcome.
This is just common sense. This source code or a compiled version may be bundled with commercial software as long as the author is notified beforehand. The author's name should also be mentioned in the credits. Many of them are being used in other programs I have written. This is very useful for MS-DOS users since a filename such as sig.jpn.out will not result in converting a file called sig.jpn.