View Compilation Error

0_0_11200378_5585.cpp: In function `void getNext(char*, int*)':
0_0_11200378_5585.cpp:23: error: `equals' undeclared (first use this function)
0_0_11200378_5585.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11200378_5585.cpp: In function `int equals(char*, int, int)':
0_0_11200378_5585.cpp:36: error: `int equals(char*, int, int)' used prior to declaration