BLOCK_BYTES      1113 src/alloc.c        char payload[BLOCK_BYTES];
BLOCK_BYTES      1172 src/alloc.c      eassert (nbytes <= BLOCK_BYTES);
BLOCK_BYTES      2543 src/alloc.c      (((BLOCK_BYTES - sizeof (struct float_block *)		\
BLOCK_BYTES      2647 src/alloc.c      (((BLOCK_BYTES - sizeof (struct cons_block *)			\