client.c

#include <func.h>
int main(int argc,char *argv[])
{
	args_check(argc,3);
	int socketfd=socket(AF_INET,SOCK_STREAM,0);
	if(-1==socketfd)
	{
		perror("socket");
		return -1;
	}
	printf("socketfd=%d\n",socketfd);
	struct sockaddr_in ser;
	memset(&ser,0,sizeof(ser));
	ser.sin_family=AF_INET;
	ser.sin_port=htons(atoi(argv[2]));
	ser.sin_addr.s_addr=inet_addr(argv[1]);
	int ret;
	char buf[128];
        ret=connect(socketfd,(struct sockaddr *)&ser,sizeof(struct sockaddr));
	if(-1==ret)
	{
		perror("connect");
		return -1;
	}
	fd_set rdset;
	while(1)
	{
		FD_ZERO(&rdset);
		FD_SET(STDIN_FILENO,&rdset);
		FD_SET(socketfd,&rdset);
		ret=select(socketfd+1,&rdset,NULL,NULL,NULL);
		if(ret>0)
		{
			if(FD_ISSET(STDIN_FILENO,&rdset))
			{
				memset(buf,0,sizeof(buf));
				read(STDIN_FILENO,buf,sizeof(buf)-1);
				send(socketfd,buf,strlen(buf),0);
			}
			if(FD_ISSET(socketfd,&rdset))
			{
				memset(buf,0,sizeof(buf));
				ret=recv(socketfd,buf,sizeof(buf)-1,0);
				if(0==ret)
				{
					printf("client close,byebye\n");
					break;
				}
				printf("%s\n",buf);
			}
		}
	}
	close(socketfd);

	return 0;
}