dma.h

// dma.h -- inheritance and dynamic memory allocation
#ifndef DMA_H_
#define DMA_H_
#include <iostream>

// Base Class Using DMA
class baseDMA
{
private:
	char * label;
	int rating;
public:
	baseDMA (const char * l = "null", int r = 0);
	baseDMA (const baseDMA & rs);
	virtual ~baseDMA();
	baseDMA & operator= (const baseDMA & rs);
	friend std::ostream & operator<< (std::ostream & os, const baseDMA & rs);
};

class lacksDMA: public baseDMA
{
private:
	enum {COL_LEN = 40};
	char color[COL_LEN];
public:
	lacksDMA (const char * c = "blank", const char * l = "null",
		int r = 0);
	lacksDMA (const char * c, const baseDMA & rs);
	friend std::ostream & operator<< (std::ostream & os,
						const lacksDMA & rs);
};

class hasDMA: public baseDMA
{
private:
	char * style;
public:
	hasDMA (const char * s = "none", const char * l = "null",
			int r = 0);
	hasDMA (const char * s, const baseDMA & rs);
	hasDMA (const hasDMA & hs);
	~hasDMA();
	hasDMA & operator= (const hasDMA & rs);
	friend std::ostream & operator<< (std::ostream & os, const hasDMA & rs);
};

#endif