c - whats the use of function pointers? -

c - whats the use of function pointers? -

possible duplicate: what point of function pointers?

i trying understand in practical scenarios function pointers used. , can please give me practical illustration have pass function argument function.

function pointers can useful when want create callback mechanism, , need pass address of function function.

they can useful when want store array of functions, phone call dynamically example.

c