name(environ). version('1.0'). title('Demo package with C code, fetching the program environment'). keywords([demo, c, environment]). author( 'Jan Wielemaker', 'jan@swi-prolog.org' ). home('http://www.swi-prolog.org/howto/ForeignPack.html' ). download( 'http://www.swi-prolog.org/download/pack/environ-*.tgz' ).