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

main() {
	int sfd;
	struct sockaddr_in sa;

	sa.sin_family = AF_INET;
	sa.sin_port= htons(9000);
	inet_aton("127.0.0.1", &(sa.sin_addr));

	sfd = socket(PF_INET, SOCK_STREAM, 0);
	if (sfd < 0) { perror("socket"); exit(1); }

	if (bind(sfd,(struct sockaddr *)&sa,sizeof(struct sockaddr_in)) < 0) {
		perror("bind"); exit(1);
	}

	listen(sfd, 10);
	pause();
}