ABLOCK_ABASE     1244 src/alloc.c          eassert (ABLOCK_ABASE (&abase->blocks[3]) == abase); /* 3 is arbitrary */
ABLOCK_ABASE     1245 src/alloc.c          eassert (ABLOCK_ABASE (&abase->blocks[0]) == abase);
ABLOCK_ABASE     1250 src/alloc.c      abase = ABLOCK_ABASE (free_ablock);
ABLOCK_ABASE     1273 src/alloc.c      struct ablocks *abase = ABLOCK_ABASE (ablock);