- case 'p': {
- size_t size(strlen(optarg));
- char *end;
- pid = strtoul(optarg, &end, 0);
- if (optarg + size != end) {
- fprintf(stderr, "invalid pid for -p\n");
- return 1;
- }
- } break;
+ case 'p': {
+ size_t size(strlen(arg));
+ char *end;
+ pid = strtoul(arg, &end, 0);
+ if (arg + size != end) {
+ fprintf(stderr, "invalid pid for -p\n");
+ return 1;
+ }
+ } break;