View Compilation Error

0_0_9592196_27006.cpp: In function `void DFS(node*)':
0_0_9592196_27006.cpp:32: error: `count' undeclared (first use this function)
0_0_9592196_27006.cpp:32: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9592196_27006.cpp: In function `int main()':
0_0_9592196_27006.cpp:54: error: `count' undeclared (first use this function)