View Compilation Error

0_0_5015405_27220.cpp: In function `int main()':
0_0_5015405_27220.cpp:5: error: `canf' undeclared (first use this function)
0_0_5015405_27220.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5015405_27220.cpp:5: error: `whiles' undeclared (first use this function)
0_0_5015405_27220.cpp:6: error: expected `;' before '{' token