【聊天室】client的代码----防止自己误删

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

#define PORT 33333

void *recv_message(void * arg)
{
	int cfd = *((int *)arg);
	int ret;
	char buffer[1024];
	
	while(1)
	{
		memset(buffer,0,sizeof(buffer));
		if((ret = recv(cfd,buffer,sizeof(buffer),0)) < 0)
		{
			perror("recv error!\n");
			exit(1);
		}
		if(ret == 0)
		{
			printf("%d is close!\n",cfd);
			pthread_exit(NULL);
		}
		printf("recv_message is %s\n",buffer);
		usleep(3);
	}
	pthread_exit(NULL);
}

int main()
{
	int sockfd;
	char buffer[1024];
	
	pthread_t id;
	
	struct sockaddr_in s_addr;
	
	if((sockfd = socket(AF_INET,SOCK_STREAM,0)) < 0)
	{
		perror("socket create error!\n");
		exit(1);
	}
	printf("socket success!\n");
	
	bzero(&s_addr,sizeof(struct sockaddr_in));
	s_addr.sin_family = AF_INET;
	s_addr.sin_port = htons(PORT);
	s_addr.sin_addr.s_addr = inet_addr("192.168.1.17");
	
	if(connect(sockfd,(struct sockaddr *)(&s_addr),sizeof(struct sockaddr_in)) < 0)
	{
		perror("connect error!\n");
		exit(1);
	}
	printf("connect success!");
	
	if(pthread_create(&id,NULL,recv_message,(void *)(&sockfd)) != 0)
	{
		perror("pthread create error!\n");
		exit(1);
	}
	
	while(1)
	{
		memset(buffer,0,sizeof(buffer));
		printf("please input send message:\n");
		scanf("%s",buffer);
		write(sockfd,buffer,sizeof(buffer));
		usleep(3);
	}
	shutdown(sockfd,SHUT_RDWR);
	
	printf("recv message is:%s\n",buffer);
	
	return 0;
	
}