TCPClient.c

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

int main(int argc,char *argv[])
{
	int sockfd,n,sl,ch;
	char fname[20];
	struct sockaddr_in serv_addr;
	struct hostent *server;
	char host[20],buffer[256],buf[2000];
	int portno;
 
	printf("\nThis is client :");
	bzero(host,20);
  strcpy(host,"127.0.0.1"); 
 	
	printf("\nEnter port no : ");
  	scanf("%d",&portno);
  
	sockfd=socket(AF_INET,SOCK_STREAM,0);
 
 	server=gethostbyname(host);
 
	bzero((struct sockaddr_in *)&serv_addr,sizeof(serv_addr));
 	serv_addr.sin_family=AF_INET;
 	bcopy((char *)server->h_addr,(char *)&serv_addr.sin_addr.s_addr,server->h_length);
 	serv_addr.sin_port=htons(portno);

 	connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr));

  bzero(buf,2000);
 	printf("\n Data from server :- \n\n\n");
 
	int b = recv(sockfd, buf, 100, 0);
	puts(buf);  
        
	close(sockfd);
	exit(1);  
 }