MORECORE_FAILURE (default: -1)
The value returned upon failure of MORECORE.
MORECORE_CLEARS (default 1)
- True (1) if the routine mapped to MORECORE zeroes out memory (which
+ true (1) if the routine mapped to MORECORE zeroes out memory (which
holds for sbrk).
DEFAULT_TRIM_THRESHOLD
DEFAULT_TOP_PAD