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

int main(int argc,char **argv)
{
	int conn_fd;
	struct sockaddr_in serv_addr;
	char buf[1024];
	
	conn_fd=socket(AF_INET,SOCK_STREAM,0);
	if(conn_fd<0)
	{
		printf("create socket is failure %s\n",strerror(errno));
		return -1;
	}
	printf("create socket number [%d]\n",conn_fd);
	
	memset(&serv_addr,0,sizeof(serv_addr));
	serv_addr.sin_family = AF_INET;
	serv_addr.sin_port = htons(8555);
	inet_aton("192.168.0.5",&serv_addr.sin_addr);
	
	printf("begin to connecting\n");
	
	if(connect(conn_fd,( struct sockaddr *)&serv_addr,sizeof(serv_addr))<0)
	{
	  printf("connect is failuren:  %s\n",strerror(errno));
	  return -2;
	}
	
	printf("connect is sucess\n");
	
	write(conn_fd,"hello",5);
	
	memset(buf,0,sizeof(buf));
	read(conn_fd,buf,sizeof(buf));
	printf("receive : %s \n",buf);
	
	close(conn_fd);
	return 0;


}