/* Copyright (C) 1989, Digital Equipment Corporation           */
/* All rights reserved.                                        */
/* See the file COPYRIGHT for a full description.              */

typedef char *GCP;
typedef int PAGE;

GCP gcalloc ();

#define bytes2words(n) (((n) + 3) / 4)
#define words2bytes(n) ((n) * 4)
#define words2pages(n) (((n) + (WORDS_PER_PAGE - 1)) / WORDS_PER_PAGE)