#include "nonstdlib.h"

// Array functions with bound checking

bool getChar(Memory* heap, 
             charPointer array, 
	     unsigned int index,
             char* c);
// Purpose: puts the char at given index in the array into c
//          if index is valid for the array
//          (simulating c = array[index])
//          Returns false if index is not valid
//          Returns true otherwise (and sets c accordingly)

bool setChar(Memory* heap,       
             charPointer array, 
             unsigned int index, 
             char c);
// Purpose: sets the char at given index in the array to be c
//          if index is valid for the array
//          (simulating array[index] = c)
//          Returns false if index is not valid
//          Returns true otherwise 
//          (and sets array element at index accordingly)