TE Comp Sem-II CN Prac 6 (TCP Client)

/* tcpclient.c */
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
int main()
{
 int sock, bytes_recieved;
 char send_data[1024],recv_data[1024];
struct hostent *host;
struct sockaddr_in server_addr;
 host = gethostbyname("127.0.0.1");
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
perror("Socket");
 exit(1);
}
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(5000);
 server_addr.sin_addr = *((struct in_addr *)host->h_addr);
bzero(&(server_addr.sin_zero),8);
if (connect(sock, (struct sockaddr *)&server_addr,
sizeof(struct sockaddr)) == -1)     
{
 perror("Connect");
 exit(1);
}
 while(1)
 {
 bytes_recieved=recv(sock,recv_data,1024,0);
recv_data[bytes_recieved] = '\0';
if (strcmp(recv_data , "q") == 0 || strcmp(recv_data , "Q") == 0)
{
 close(sock);
break;
}
else
printf("\nRecieved data = %s " , recv_data);
printf("\nSEND (q or Q to quit) : ");
gets(send_data);
if (strcmp(send_data , "q") != 0 && strcmp(send_data , "Q") != 0)
send(sock,send_data,strlen(send_data), 0);
else
{
send(sock,send_data,strlen(send_data), 0);
close(sock);
break;
}
}
return 0;
}