int createTCPsocketClient(const char* adresse, const char* port){
	int sockfd;  
	struct addrinfo hints, *servinfo, *p;
	int rv;
	char s[INET6_ADDRSTRLEN];
	memset(&hints, 0, sizeof hints);
	hints.ai_family = AF_UNSPEC;
	hints.ai_socktype = SOCK_STREAM;
	if((rv = getaddrinfo(adresse, port, &hints, &servinfo)) != 0){
		fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));
		return 1;
	}
	// loop through all the results and connect to the first we can
	for(p = servinfo; p != NULL; p = p->ai_next){
		if((sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1){
			perror("client: socket");
			continue;
		}
		if(connect(sockfd, p->ai_addr, p->ai_addrlen) == -1){
			close(sockfd);
			perror("client: connect");
			continue;
		}
		break;
	}
	if(p == NULL){
		fprintf(stderr, "client: failed to connect\n");
		return 2;
	}
	inet_ntop(p->ai_family, get_in_addr((struct sockaddr *)p->ai_addr), s, sizeof s);
	printf("client: connecting to %s\n", s);
	freeaddrinfo(servinfo); // all done with this structure
	return sockfd;
}