/* Debugging -------------------------------------------------------------- */
extern nat countBlocks (bdescr *bd);
extern nat countAllocdBlocks (bdescr *bd);
/* Debugging -------------------------------------------------------------- */
extern nat countBlocks (bdescr *bd);
extern nat countAllocdBlocks (bdescr *bd);
extern lnat n_alloc_blocks; // currently allocated blocks
extern lnat hw_alloc_blocks; // high-water allocated blocks
extern lnat n_alloc_blocks; // currently allocated blocks
extern lnat hw_alloc_blocks; // high-water allocated blocks