A simple TCP client in C

simple-tcp-client.c

#include <stdio.h>
#include <unistd.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>

#define PORT 8080

int main()
{
	int sockfd;
	struct sockaddr_in servaddr;

	// socket create and varification
	sockfd = socket(AF_INET, SOCK_STREAM, 0);
	if (sockfd == -1) {
		printf("socket creation failed...\n");
		exit(0);
	}

	bzero(&servaddr, sizeof(servaddr));
	servaddr.sin_family = AF_INET;
	servaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
	servaddr.sin_port = htons(PORT);

	// connect the client socket to server socket
	if (connect(sockfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) != 0) {
		printf("connection with the server failed...\n");
		exit(0);
	} else{
		printf("connected to the server..\n");
	}

	char buf[1024];
	int len = read(sockfd,buf,1024);
	printf("read %d bytes from socket\n",len);
	close(sockfd);
}