gistfile1.txt

/**
 * Create a socket and connect to the server.
 * 
 * @param server_ip  	Server IP (dotted quad)
 * @param server_port	Port Number
 * @return Socket descriptor
 */
int server_connect(char *server_ip, unsigned int server_port) {
	// Create a socket using TCP
	int sock;
	if ((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
		fprintf(stderr, "Could not create socket.\n");
		return -1;
	}

	// Construct the server address structure
	struct sockaddr_in server_address;
	memset(&server_address, 0, sizeof(server_address));
	server_address.sin_family = AF_INET;
	server_address.sin_addr.s_addr = inet_addr(server_ip);
	server_address.sin_port = htons(server_port);

	// Establish the connection to the server
	if (connect(sock, (struct sockaddr *) &server_address, sizeof(server_address)) < 0) {
		fprintf(stderr, "Could not connect to server.\n");
		return -1;
	}

	return sock;
}