View Compilation Error

0_0_8696341_25191.cpp: In function `int main(int, char**)':
0_0_8696341_25191.cpp:19: error: expected unqualified-id before "int"
0_0_8696341_25191.cpp:19: error: expected `,' or `;' before "int"
0_0_8696341_25191.cpp:20: error: `b' undeclared (first use this function)
0_0_8696341_25191.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)