TCP-C_新人码农的博客

server

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


int main(int argc, const char *argv[])
{

	int sockfd, connfd;
	char recvbuf[64];
	struct sockaddr_in seraddr,cliaddr;
	socklen_t len;

	if(-1 == (sockfd = socket(AF_INET,SOCK_STREAM, 0)))
	{
		printf("socket is fail\n");
		exit(1);
	}

	seraddr.sin_family = AF_INET;
	seraddr.sin_port = htons(5000);
	seraddr.sin_addr.s_addr = inet_addr("192.168.124.13");

	if(-1 == bind(sockfd, (const struct sockaddr *)&seraddr, sizeof(seraddr)))
	{
		printf("bind is fail/n");
		exit(1);
	}


	if(-1 == listen(sockfd, 5))
	{
		printf("listen is fail\n");
		exit(1);
	}

	len = sizeof(cliaddr);

	if(-1 == (connfd = accept(sockfd, (struct sockaddr *)&cliaddr, &len)))
	{
		printf("accept is fail\n");
		exit(1);
	}


	memset(recvbuf, 0, sizeof(recvbuf));
	
	if(-1 == recv(connfd, recvbuf, sizeof(recvbuf), 0))
	{
		printf("recv is fail\n");
		exit(1);
	}

	printf("recvbuf is %s\n",recvbuf);


	char sendbuf[64] = "Hello Client !";
	if(-1 == send(connfd, sendbuf, sizeof(sendbuf), 0))
	{
		printf("send is fail\n");
		exit(1);
	}


	return 0;
}
#include <stdio.h>
#include <st