A Modest Extension to the C Preprocessor

[Dave Brownell]

>=<

Better and simpler is to make the #include files safe for multiple
inclusions.  It's so simple I'm amazed that neither Berkeley nor
Bell have done it:

    #ifndef	FOO_H_INCLUDED
    #define	FOO_H_INCLUDED

	/* contents of "foo.h" */

    #endif	FOO_H_INCLUDED

This is compatible with any standard CPP.





Dave Brownell
Sequoia Systems Inc.
{allegra,floyd,ihnp4,seismo}!harvard!sequoia!brownell