/* Example Client Code */

#include <errno.h>
#include <error.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/socket.h>

int connect_host_port(const char *host, const char *service)
{
	struct addrinfo *ai, *runp;
	struct addrinfo hints;
	int e, sock = -1;
	
	memset(&hints, '\0', sizeof (hints));
	hints.ai_flags = AI_ADDRCONFIG;
	hints.ai_socktype = SOCK_STREAM;
	e = getaddrinfo(host, service, &hints, &ai);
	if (e != 0) {
		/* error(EXIT_FAILURE, 0, "getaddrinfo: %s", gai_strerror(e)); */
		return -1;
	}
	
	for (runp = ai; runp != NULL; runp = runp->ai_next) {
		sock = socket(runp->ai_family, runp->ai_socktype, runp->ai_protocol);
		if (sock == -1)
			continue;
		e = connect(sock, runp->ai_addr, runp->ai_addrlen);
		if (e != 0) {
			close(sock);
			sock = -1;
			continue;
		}
		break;
	}
	freeaddrinfo(ai);
	
	if (sock == -1) {
		/*error(0, 0, "cannot contact %s", host);*/
		return -1;
	}
	return sock;
}