MCHUNK_SIZE      2144 compat/nedmalloc/malloc.c.h   ((MCHUNK_SIZE + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)
MCHUNK_SIZE      3046 compat/nedmalloc/malloc.c.h 	((MCHUNK_SIZE      & (MCHUNK_SIZE-SIZE_T_ONE))      != 0) ||