View Compilation Error

0_0_6259918_7877.cpp:73: error: expected constructor, destructor, or type conversion before "bool"
0_0_6259918_7877.cpp:73: error: expected `,' or `;' before "bool"
0_0_6259918_7877.cpp: In function `int main()':
0_0_6259918_7877.cpp:166: error: `check_C' undeclared (first use this function)
0_0_6259918_7877.cpp:166: error: (Each undeclared identifier is reported only once for each function it appears in.)