tcp_client.c

比较简单的利用套接字linux下的客服端和服务器例子

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <errno.h>
#include <arpa/inet.h>
int main(int argc, char *argv[])
{
	int  tcp_client_socket;
	struct sockaddr_in ser_addr;
	char buffer[512];
	tcp_client_socket=socket(AF_INET,SOCK_STREAM,0);
	if(tcp_client_socket==-1)
	{
		perror("tcp_client_socket");
		return -1;
	}
	ser_addr.sin_family=AF_INET;
	ser_addr.sin_port=htons(5555);
	ser_addr.sin_addr.s_addr=inet_addr("192.168.0.188");
	if(connect(tcp_client_socket,(struct sockaddr *)&ser_addr,sizeof(struct sockaddr))<0)
	{
		perror("connect");
		return -1;
	}
	memset(buffer,0,512);
	while(fgets(buffer,512,stdin)!=NULL)
	{
		write(tcp_client_socket,buffer,strlen(buffer));
		memset(buffer,0,512);
		read(tcp_client_socket,buffer,sizeof(buffer));
		printf("%s",buffer);
		memset(buffer,0,512);
	}

	return 0;
}