/* This is a heavily modified version of the Patricia tree implementation
in PCC at http://pcc.zentus.com/cgi-bin/cvsweb.cgi/cc/cpp/cpp.c?rev=1.96 */
/* This is a heavily modified version of the Patricia tree implementation
in PCC at http://pcc.zentus.com/cgi-bin/cvsweb.cgi/cc/cpp/cpp.c?rev=1.96 */