#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <unistd.h>
#include <netinet/tcp.h>
#include <netdb.h>


int main(int argc, const char * argv[]) {
    
    int client_sockfd;
    int len;
    struct sockaddr_in remota_addr;
    char buf[BUFSIZ];

    memset(&remota_addr,0,sizeof(remota_addr));
    remota_addr.sin_family = AF_INET;
    remota_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    remota_addr.sin_port = htons(8000);
    



    client_sockfd=socket(PF_INET, SOCK_STREAM, 0);
    connect(client_sockfd, (struct sockaddr *)&remota_addr, sizeof(struct sockaddr));
    
    printf("connect to server\n");
    
    len = recv(client_sockfd, buf, BUFSIZ, 0);
    buf[len]='\0';
    printf("%s",buf);    



    while (1) {
	memset(buf,0,sizeof(buf));

        printf("Enter string to send");
        scanf("%s",buf);
        
        len=send(client_sockfd,buf,strlen(buf),0);
	memset(buf,0,sizeof(buf));

        len=recv(client_sockfd,buf,BUFSIZ,0);
        buf[len]='\0';
        printf("received:%s\n",buf);
	if(buf[0]=='q'){
		break;
	}
        
    }
    close(client_sockfd);
    return 0;
}