222   int argn;  in parse_switches()  local
243   for (argn = 1; argn < argc; argn++) {  in parse_switches()
244     arg = argv[argn];  in parse_switches()
247       if (argn <= last_file_arg_seen) {  in parse_switches()
271       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
273       if (keymatch(argv[argn], "int", 1)) {  in parse_switches()
275       } else if (keymatch(argv[argn], "fast", 2)) {  in parse_switches()
277       } else if (keymatch(argv[argn], "float", 2)) {  in parse_switches()
315       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
317       if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)  in parse_switches()
335       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
337       outfilename = argv[argn]; /* save it away for later use */  in parse_switches()
362       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
364       qualityarg = argv[argn];  in parse_switches()
368       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
370       qslotsarg = argv[argn];  in parse_switches()
378       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
380       qtablefile = argv[argn];  in parse_switches()
388       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
390       if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)  in parse_switches()
404       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
406       samplearg = argv[argn];  in parse_switches()
415       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
417       scansarg = argv[argn];  in parse_switches()
429       if (++argn >= argc)       /* advance to next argument */  in parse_switches()
431       if (sscanf(argv[argn], "%d", &val) != 1)  in parse_switches()
480   return argn;                  /* return index of next arg (file name) */  in parse_switches()