void trans_server(){
	char a;
	//client get or send or quit
	recv(sockad,&a,1,0);


	for(;a!='Q'&&a!='q';){
		if(a=='S'||a=='s'){
			trans_s_get();
		}
		else if(a=='G'||a=='g'){
			trans_s_send();
		}
		recv(sockad,&a,1,0);
	}
}

void trans_s_get(){
	char *name;
	name=(char *)malloc(sizeof(char)*128);
	int num_name;
	memset(name,0,128*sizeof(char));
	num_name=recv(sockad,name,128,0);
	free(name);

}

void trans_s_send(){
	char *name;
	name=(char *)malloc(sizeof(char)*128);
	int num_name;
	memset(name,0,128*sizeof(char));
	num_name=recv(sockad,name,128,0);
	free(name);

}