+ case 'd':
+ strncpy(ccachedir, optarg, sizeof(ccachedir));
+ if (ccachedir[sizeof(ccachedir)-1] != '\0')
+ errx(1, "ccachedir path name too long");
+ break;
+ case 't':
+ context_timeout = atoi(optarg);
+ break;
+ case 'R':
+ preferred_realm = strdup(optarg);
+ break;