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int ident_sock;struct sockaddr_in ident_handle;struct hostent *ident_host;ident_sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);ident_handle.sin_family = AF_INET;if ((ident_host = gethostbyname("localhost")) == NULL) {std::cout << " error: cannot query ident server.\r\n";return -1;}ident_handle.sin_addr = *((struct in_addr *)ident_host->h_addr);ident_handle.sin_port = htons(113); memset(&(ident_handle.sin_zero), '\0', 8);if (connect(ident_sock, (struct sockaddr *)&ident_handle, sizeof(struct sockaddr)) == -1){std::cout << "error: cannot create ident socket.\r\n";close(ident_sock);return -1;}//code here