#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>

#define PORT        0x1234
             /* REPLACE with your server machine name*/
#define HOST        "Unix-machine"
#define DIRSIZE     8192

main(argc, argv)
int argc; char **argv;
{
        char hostname[100];
	char    dir[DIRSIZE];
	int	sd;
	struct sockaddr_in sin;
	struct sockaddr_in pin;
	struct hostent *hp;

        strcpy(hostname,HOST);
        if (argc>2)
            { strcpy(hostname,argv[2]); }

	/* go find out about the desired host machine */
	if ((hp = gethostbyname(hostname)) == 0) {
		perror("gethostbyname");
		return 1 ;
	}

	/* fill in the socket structure with host information */
	memset(&pin, 0, sizeof(pin));
	pin.sin_family = AF_INET;
	pin.sin_addr.s_addr = ((struct in_addr *)(hp->h_addr))->s_addr;
	pin.sin_port = htons(PORT);

	/* Client-A */
	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
		perror("socket");
		return 1;
	}//if socket sd is equal to -1, print out an error for "socket"

	/* Client-B */
	if (connect(sd,(struct sockaddr *)  &pin, sizeof(pin)) == -1) {
		perror("connect");
		return 1;
	}//if connect is -1, print error for "connect"

	/* Client-C */
	if (send(sd, argv[1], strlen(argv[1]), 0) == -1) {
		perror("send");
		return 1;
	}//if send = -1 print error "send"

        /* Client-D */
        if (recv(sd, dir, DIRSIZE, 0) == -1) {
                perror("recv");
                return 1;
        }//if recv = -1 print error message "recv"

        /* Client-E */
        printf("%s\n", dir);
	//print name of dir

	close(sd);
}