NUM_IN_PAGE       691 gc.c           #define BITMAP_INDEX(p)  (NUM_IN_PAGE(p) / BITS_BITLENGTH )
NUM_IN_PAGE       692 gc.c           #define BITMAP_OFFSET(p) (NUM_IN_PAGE(p) & (BITS_BITLENGTH-1))
NUM_IN_PAGE      3413 gc.c               offset = p - NUM_IN_PAGE(p);
NUM_IN_PAGE      5294 gc.c           	RVALUE *offset = p - NUM_IN_PAGE(p);
NUM_IN_PAGE      5699 gc.c           	    RVALUE *offset = p - NUM_IN_PAGE(p);