View Compilation Error

0_0_1130930_26873.cpp:3: error: `aint' does not name a type
0_0_1130930_26873.cpp: In function `int main()':
0_0_1130930_26873.cpp:19: error: `fun' undeclared (first use this function)
0_0_1130930_26873.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)