client2.c

//client program to access the server
#include<sys/types.h>
#include<sys/socket.h>
#include<stdio.h>
#include<netinet/in.h>
#include<unistd.h>
#include<arpa/inet.h>
#include<stdlib.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=htons(8080);
	len=sizeof(address);
result = connect(sockfd, (struct sockaddr *)&address, len);
if(result == -1) {
perror("oops: client1");
exit(1);
}

write(sockfd, &ch, 1);
read(sockfd, &ch, 1);
printf("char from server = %c\n", ch);
close(sockfd);
exit(0);


return 0;
}