+ char *arg;
+ int mode = 0; // shell: 1, server: 2, client: 3
+ char *host;
+ int port = 0;
+ int i;
+
+ // Checking arguments
+ for (i = 1; i < argc; i++) {
+ if (strcmp (argv[i], "--shell-mode") == 0)
+ mode = 1;
+ else if (strncmp (argv[i], "--server", 8) == 0) {
+ mode = 2;
+ arg = strtok (argv[i], "=");
+ arg = strtok (NULL, "=");
+ if (arg != NULL)
+ port = atoi (arg);
+ }
+ else if (strncmp (argv[i], "--client", 8) == 0) {
+ mode = 3;
+ arg = strtok (argv[i], "=");
+ arg = strtok (NULL, "=");
+ if (arg != NULL) {
+ host = strtok (arg, ":");
+ arg = strtok (NULL, ":");
+ if (arg != NULL)
+ port = atoi (arg);
+ }
+ }
+ }
+
+ if (mode == 1)
+ start_single (dirname (argv[0]));
+ else if (mode == 2 && port != 0)
+ start_server (dirname (argv[0]), port);
+ else if (mode == 3 && port != 0)
+ start_client (host, port);