func: static int connect_namedsocket(const char *path)
  
  {
  
      int sockfd, size;
  
      struct sockaddr_un helper;
  
  
  
      sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
  
      if (sockfd < 0) {
  
          fprintf(stderr, "socket %s\n", strerror(errno));
  
          return -1;
  
      }
  
      strcpy(helper.sun_path, path);
  
      helper.sun_family = AF_UNIX;
  
      size = strlen(helper.sun_path) + sizeof(helper.sun_family);
  
      if (connect(sockfd, (struct sockaddr *)&helper, size) < 0) {
  
          fprintf(stderr, "socket error\n");
  
  
          return -1;
  
      }
  
  
  
      /* remove the socket for security reasons */
  
      unlink(path);
  
      return sockfd;
  
  }