Hi freind I have a doudt

here is my code
Code:
void endtag(string& label)
{
	string temp2;
	string str1;
	string str2;
	str1= "\" ;
        str2=readlabel(temp);
	if(str2!= (str1+label))
	{
		cout<< " end tag is wrong "<<endl;
	}
}
I am not able to add (' \' to label )=like this "\book" assume the label here is book .can I do this....

help me please.......