MSC: void huge *halloc( long num, size_t size )

	- prototype in malloc.h

	- num = count of elements to allocate
	- size = size of each element;	each element is set to zero;
		 must be a power of 2 if size is over 128K
	- alignment assures compatibility with all data types (para)
	- returns pointer to allocated block on success or NULL on failure
	- allocates memory directly from DOS

	- see	hfree()