View Compilation Error

0_0_6900517_10879.cpp: In member function `void LCT::Access(int)':
0_0_6900517_10879.cpp:65: error: `Splay' undeclared (first use this function)
0_0_6900517_10879.cpp:65: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6900517_10879.cpp:68: error: `lk' undeclared (first use this function)
0_0_6900517_10879.cpp:70: error: `rc' undeclared (first use this function)