C++ Functions

C++ Functions

1 How do I declare, assign and call a pointer to a function?

int f(int, char)
{
// ...
}
// ...
int (*pf)(int, char); // pointer to a function
pf = f; // assignment
pf = &f; // alternative
int r = (*pf)(42, 'a');

2 How do I declare a type of a pointer to a function?

typedef int (*pf)(int, char);

3 How do I declare an array of pointers to a function?

typedef int (*pf)(int, char);
pf pfarray[10]; // array of 10 pointers to a function

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