/in/foo.c: In function 'main':
/in/foo.c:5:5: error: 'count' undeclared (first use in this function)
     count<<"萨里郡"<<end1<<"小惠金区"<<end1<<"女贞路4号"<<end1<<"楼梯下的碗橱"<<end1<<"哈利·波特先生收";
     ^~~~~
/in/foo.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:5:25: error: 'end1' undeclared (first use in this function)
     count<<"萨里郡"<<end1<<"小惠金区"<<end1<<"女贞路4号"<<end1<<"楼梯下的碗橱"<<end1<<"哈利·波特先生收";
                         ^~~~