220   int argn;  in parse_switches()  local
241   for (argn = 1; argn < argc; argn++) {  in parse_switches()
242     arg = argv[argn];  in parse_switches()
245       if (argn <= last_file_arg_seen) {  in parse_switches()
269       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
271       if (keymatch(argv[argn], "int", 1)) {  in parse_switches()
273       } else if (keymatch(argv[argn], "fast", 2)) {  in parse_switches()
275       } else if (keymatch(argv[argn], "float", 2)) {  in parse_switches()
313       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
315       if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)  in parse_switches()
333       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
335       outfilename = argv[argn]; /* save it away for later use */  in parse_switches()
360       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
362       qualityarg = argv[argn];  in parse_switches()
366       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
368       qslotsarg = argv[argn];  in parse_switches()
376       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
378       qtablefile = argv[argn];  in parse_switches()
386       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
388       if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)  in parse_switches()
402       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
404       samplearg = argv[argn];  in parse_switches()
413       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
415       scansarg = argv[argn];  in parse_switches()
427       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
429       if (sscanf(argv[argn], "%d", &val) != 1)  in parse_switches()
478   return argn;                  /* return index of next arg (file name) */  in parse_switches()