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// Copyright 2010, Someone
// Complex pointer to function declaration.


#ifndef _2C_EXCERCISE_1_H_
#define _2C_EXCERCISE_1_H_



// 18.2
// How can we declare an array of N elements, each a pointer to a function
// that returns a pointer to an int and takes two arguments: a double and
// a pointer to a function taking a double and returning a double?
#define   N   10
int* (*Func_Ch18_2[N])(double a, double (* b_func)(double c));





// 18.3
// How can we declare a pointer to a function that takes a pointer to an
// array of 10 ints and an int and returns a pointer to an array of 10
// ints?
int (*Func_Ch18_3(int (*a_func)[10], int c))[10];

// Here's another answer.
typedef   int(*ROWPTR)[10];
ROWPTR (*Func_Ch18_3_ANSWER_2)(ROWPTR, int);





// 18.4
// How would we declare a two-dimensional array of 10 rows of 20 elements,
// each of which is a pointer to a function that takes a pointer to void
// and returns no value?
void (*Func_Ch18_4[10][20])(void* a);





// 18.5
// How would we declare a pointer to a function that returns a pointer
// to a function that takes a pointer to void and an int and returns a
// pointer to void? The function takes a table of pointers to these
// functions and an int. What might we use this type for?
void* (*(*Func_Ch18_5)(void* (* a_func[])(void *, int), int b))(void *, int);

// Here's another answer.
typedef void* (*ROWPTR2)(void *,int);
ROWPTR2 (*Func_Ch18_5)(ROWPTR2 a_func[], int b);




#endif  // _2C_EXCERCISE_1_H_