View Compilation Error

23359_0_5309.cpp: In function `int len(node*)':
23359_0_5309.cpp:71: error: `count' undeclared (first use this function)
23359_0_5309.cpp:71: error: (Each undeclared identifier is reported only once for each function it appears in.)
23359_0_5309.cpp: In function `int main()':
23359_0_5309.cpp:121: error: `count' undeclared (first use this function)
(firs