#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#include <winsock2.h>
#define bzero(b, len) \
(memset((b), '\0', (len)), (void)0)
#define read(a, b, c) recv(a, b, c, 0)
#define write(a, b, c) send(a, b, c, 0)
#define close closesocket
#else
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#include <unistd.h>
#endif
#define MAX 80
#define PORT 8080
#define SA struct sockaddr
void func(int sockfd)
{
char buff[MAX];
int n;
for (;;)
{
bzero(buff, sizeof(buff));
printf("Enter the string : ");
n = 0;
while ((buff[n++] = getchar()) != '\n')
{
;
}
write(sockfd, buff, sizeof(buff));
bzero(buff, sizeof(buff));
read(sockfd, buff, sizeof(buff));
printf("From Server : %s", buff);
if ((strncmp(buff, "exit", 4)) == 0)
{
printf("Client Exit...\n");
break;
}
}
}
#ifdef _WIN32
void cleanup() { WSACleanup(); }
#endif
int main()
{
#ifdef _WIN32
WSADATA wsData;
if (WSAStartup(MAKEWORD(2, 2), &wsData) != 0)
{
perror("WSA Startup error: \n");
return 0;
}
atexit(cleanup);
#endif
int sockfd, connfd;
struct sockaddr_in servaddr, cli;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd == -1)
{
printf("socket creation failed...\n");
exit(0);
}
else
{
printf("Socket successfully created..\n");
}
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");
servaddr.sin_port = htons(PORT);
if (connect(sockfd, (SA *)&servaddr, sizeof(servaddr)) != 0)
{
printf("connection with the server failed...\n");
exit(0);
}
else
{
printf("connected to the server..\n");
}
func(sockfd);
close(sockfd);
return 0;
}