基于tcp搭建客户端

客户端搭建

#include <sys/types.h>
#include <sys/socket.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#define PORT 8888

int main()
{
	int sockfd,ret;
	struct sockaddr_in server_addr;

	sockfd = socket(PF_INET,SOCK_STREAM,0);  //建立socket
	if(-1 == sockfd)
	{
		perror("socket");
		exit(1);
	}

	memset(&server_addr,0,sizeof(server_addr));
	server_addr.sin_family = PF_INET;
	server_addr.sin_port = PORT;
	server_addr.sin_addr.s_addr = inet_addr("127.0.0.1");

	printf("connect.......\n");

	ret = connect(sockfd,(struct sockaddr *)&server_addr,sizeof(server_addr)); //连接服务器

	if(-1 == ret)
	{
		perror("connect");
		exit(1);
	}


	close(sockfd);
	return 0;
}