prefix - prefix: First version working, some more doc, avoiding gcc

Log Message:
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First version working, some more doc, avoiding gcc complaints, better debug infos

Modified Files:
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prefix:
README.txt (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/README.txt.diff?r1=1.1&r2=1.2)
prefix.c (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c.diff?r1=1.1&r2=1.2)