CPP

cin.getline

string z,s;
 while (true)
    {
      cin>>z;
      s+=z;
      if(cin.peek()=='
')
      break;
    }
................................
			OR/
.................................
string s;
getline(cin,s);

cin.getline

cin>>n;
cin.ignore();
cin.getline(cin,string,'
');

cin getline

getline(cin, variable_name);