Defining a function inside the input of another function in C

Question

I have a function which has a function pointer input. I can easily give function names to it as input. But I wonder if it's possible to define a function as input. For example I have a function like this;

void exampleFunction ( void (*functionPointer)( void ) ) {
  codes
  ...
}

Can I give an input like this inside the brackets? For example;

exampleFunction( void helloFunction ( void ) {
  printf("Hello");
} );

It gives compilation error like this but is there any other ways to do it?

Answer 1

This is impossible in C.

In C++, you can use a lambda-expression:

exampleFunction([](){ std::cout << "Hello"; });