Apache Error Codes C0000005 What Am I Doing Wrong Here Confused , Moved Some Code Into A Funtion And Get Error , In C++?

What am i doing wrong here confused , moved some code into a funtion and get error , in c++? - apache error codes c0000005

This is a game of it

check camera (void);
void main ()
(
I3DEngine * (MyEngines = New3DEngine kTLX);
) checkmycamera (;
)

checkmycamera (void)
(
MyCams-> SetLocalY (Apache-> GetLocalY ...
)




I get this error "C2065" MyEngines': undeclared identifier "

But if I move "MyCams-> SetLocalY (Apache-> GetLocalY () ...
has the main code.
Why not, I am very confused, please help