#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include <unistd.h>

int main () {
	int sockfd;
	int len;
	struct sockaddr_in address;
	int result;
	char ch = 'A';
	
	sockfd = socket (AF_INET, SOCK_STREAM, 0);
	
	address.sin_family = AF_INET;
	address.sin_addr.s_addr = inet_addr ("127.0.0.1");
	address.sin_port = 9734;
	len = sizeof (address);
	
	result = connect (sockfd, (struct sockaddr *)&address, len);
	
	if (result == -1) {
		perror ("oops: client2");
		exit (1);
	}
	
	write (sockfd, &ch, 1);
	read (sockfd, &ch, 1);
	printf ("char from server = %c\n", ch);
	close (sockfd);
	exit (0);
}