175 char *program_name;  variable
1118 	       program_name);  in usage()
1120 	       program_name);  in usage()
1124       printf (_("Usage: %s [OPTION]... PATTERN [FILE] ...\n"), program_name);  in usage()
1129 Regexp selection and interpretation:\n"), program_name);  in usage()
1364   program_name = argv[0];  in main()
1365   if (program_name && strrchr (program_name, '/'))  in main()
1366     program_name = strrchr (program_name, '/') + 1;  in main()
1368   if (program_name[0] == 'b' && program_name[1] == 'z') {  in main()
1370     program_name += 2;  in main()
1373   else if (program_name[0] == 'z') {  in main()
1375     ++program_name;  in main()
1382   if (program_name)  in main()
1384       char *p = program_name;  in main()
1387       if (bslash && bslash >= program_name) /* for mixed forward/backslash case */  in main()
1388 	program_name = bslash + 1;  in main()
1389       else if (program_name == argv[0]  in main()
1391 	program_name = argv[0] + 2;  in main()
1399       if ((p = strrchr (program_name, '.')) && strcmp (p, ".exe") == 0)  in main()
1752     matcher = program_name;  in main()