#include <iostream>
 
using namespace std; // haters gonna hate
 
typedef char * charPtr;
 
typedef float (*crazyFunction)(float(*)(), float);
 
float bar()
{
    return 3.1415926535;
}
 
float foo(float(*func)(), float argument)
{
    return func() + argument;
}
 
int main()
{
    char * c1, c2, c3;
    c1 = NULL;
    c2 = 'a';
    c3 = c2;
 
    charPtr x1, x2, x3;
    x1 = NULL;
    x2 = x1;
    x3 = x1;
 
    float (*someCrazyFunction)(float(*)(), float) = foo; // WTF is this
 
    crazyFunction myCrazyFunction = foo; // easier to deal with
 
    cout << someCrazyFunction(bar, 1) << " " << myCrazyFunction(bar, 2) << endl;
    return 0;
}

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