299   GState g;  in main()  local
300   memset(&g, 0, sizeof(g));  in main()
302     g.bTrace = 1;  in main()
310   ofstRootAndColumn(&g, argv[1], argv[2], argv[3]);  in main()
311   if( g.zErr ){  in main()
312     fprintf(stderr, "%s\n", g.zErr);  in main()
315   ofstTrace(&g, "# szPg = %d\n", g.szPg);  in main()
316   ofstTrace(&g, "# iRoot = %d\n", g.iRoot);  in main()
317   ofstTrace(&g, "# iCol = %d\n", g.iCol);  in main()
318   g.f = fopen(argv[1], "rb");  in main()
319   if( g.f==0 ){  in main()
323   ofstWalkPage(&g, g.iRoot);  in main()
324   if( g.zErr ){  in main()
325     fprintf(stderr, "%s\n", g.zErr);  in main()