#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>

#include <sys/socket.h>
#include <sys/types.h>
#include <netdb.h>

int main(int argc, char *argv[])
{
	int rc;
	char *host;
	char *portstr = "8083";
	struct addrinfo hints, *res, *info;
	char hostb[NI_MAXHOST];
	char servb[NI_MAXSERV];

	if (argc != 2) {
		fprintf(stderr, "Usage: testic hostname\n");
		return 2;
	}
	host = argv[1];

	memset(&hints, 0, sizeof(hints));
	// hints.ai_flags = AI_PASSIVE;

	rc = getaddrinfo(host, portstr, &hints, &res);
	if (rc) {
		fprintf(stderr, "getaddrinfo error: %s\n", gai_strerror(rc));
		return 1;
	}

	for (info = res; info != NULL; info = info->ai_next) {
		rc = getnameinfo(info->ai_addr, info->ai_addrlen,
		    hostb, NI_MAXHOST, servb, NI_MAXSERV, NI_NUMERICSERV);
		if (rc) {
			fprintf(stderr, "getnameinfo error: %s\n", gai_strerror(rc));
			return 1;
		}
		printf("host %s port %s\n", hostb, servb);
	}

	freeaddrinfo(res);

	return 0;
}