Udp two way chat in C

<pre> sock_fd = socket(AF_INET, SOCK_DGRAM, 0);
  if(sock_fd == -1){
    perror("Socket error ");
    return 1;
  }

  if (argc < 4) {
    printf("%s <local port> <remote host> <remote port>\n", argv[0]);
    return 1;
  }

  peer_addr.sin_family = AF_INET;
  peer_addr.sin_port = htons(remote_port);
  if (inet_aton(argv[2], &peer_addr.sin_addr) == 0) {
    printf("Error");
    return 1;
  }

  server_addr.sin_family = AF_INET;
  server_addr.sin_addr.s_addr = INADDR_ANY;
  server_addr.sin_port = htons(local_port);

  int local_bind = bind(sock_fd, (struct sockaddr *)&server_addr, sizeof(struct sockaddr));
  if(local_bind == -1){
    perror("Bind error ");
    return 1;
  }
  
  chat(sock_fd, &peer_addr);
  close(sock_fd);

  return 0;
}

<pre>void chat(int sock_fd, struct sockaddr_in *peer){
  
    struct timeval tv;
    ssize_t bytes;
    char inp_buffer[1024];
    char out_buffer[1024];
    fd_set readfds;
  
   while(1){
      FD_ZERO(&readfds);
      FD_SET(STDIN, &readfds);
      FD_SET(sock_fd, &readfds);
    
      tv.tv_sec = 5;
      tv.tv_usec = 0;
      select(sock_fd + 1, &readfds, NULL, NULL, &tv);


      if (FD_ISSET(STDIN, &readfds)){
         bytes = read(0, out_buffer, sizeof(out_buffer));
        if (bytes < 0) {
          printf("Error\n");
          break;
        }
        printf("Sending: %.*s\n", (int)bytes, out_buffer);
        bytes = sendto(sock_fd, out_buffer, bytes, 0,(struct sockaddr *)peer, sizeof(struct sockaddr_in));
        if (bytes < 0) {
          printf("Error \n");
          break;
        }
      }


    
      if(FD_ISSET(sock_fd, &readfds)){
         bytes = recvfrom(sock_fd, inp_buffer, sizeof(inp_buffer),0, NULL, NULL);
        if (bytes < 0) {
          printf("Error recvfrom\n");
          break;
        }
        if (bytes > 0) {
          printf("Received: %.*s\n", (int)bytes, inp_buffer);

        }
         if(!strcmp(inp_buffer,"Exit\n")){
            printf("Received Exit => closing\n");
            break;
         }
   }
}
}