203   int argn;  in parse_switches()  local
220   for (argn = 1; argn < argc; argn++) {  in parse_switches()
221     arg = argv[argn];  in parse_switches()
224       if (argn <= last_file_arg_seen) {  in parse_switches()
241       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
243       if (sscanf(argv[argn], "%d", &val) != 1)  in parse_switches()
250       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
252       if (keymatch(argv[argn], "int", 1)) {  in parse_switches()
254       } else if (keymatch(argv[argn], "fast", 2)) {  in parse_switches()
256       } else if (keymatch(argv[argn], "float", 2)) {  in parse_switches()
263       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
265       if (keymatch(argv[argn], "fs", 2)) {  in parse_switches()
267       } else if (keymatch(argv[argn], "none", 2)) {  in parse_switches()
269       } else if (keymatch(argv[argn], "ordered", 2)) {  in parse_switches()
326       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
328       icc_filename = argv[argn];  in parse_switches()
333       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
339         if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) {  in parse_switches()
340           fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);  in parse_switches()
356       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
358       if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)  in parse_switches()
365       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
367       if (sscanf(argv[argn], "%u", &max_scans) != 1)  in parse_switches()
384       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
386       outfilename = argv[argn]; /* save it away for later use */  in parse_switches()
407       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
409       if (sscanf(argv[argn], "%u/%u",  in parse_switches()
414       if (++argn >= argc)  in parse_switches()
416       if (sscanf(argv[argn], "%u,%u", &skip_start, &skip_end) != 2 ||  in parse_switches()
423       if (++argn >= argc)  in parse_switches()
425       if (sscanf(argv[argn], "%u%c%u+%u+%u", &crop_width, &c, &crop_height,  in parse_switches()
443   return argn;                  /* return index of next arg (file name) */  in parse_switches()