View Compilation Error

0_0_21092189_18192.cpp: In member function 'void SplayTree::midprint(Node*)':
0_0_21092189_18192.cpp:202:14: error: 'p' was not declared in this scope
         if (!p) return;
              ^
0_0_21092189_18192.cpp:203:19: error: 'p' was not declared in this scope
         push_down(p);
                   ^