bson_realloc()
Synopsis
void *
bson_realloc (void  *mem,
              size_t num_bytes);Parameters
mem  | 
A memory region.  | 
num_bytes  | 
A size_t containing the new requested size.  | 
Description
This is a portable realloc() wrapper.
In general, this function will return an allocation at least sizeof(void*) bytes or bigger. If num_bytes is 0, then the allocation will be freed.
If there was a failure to allocate num_bytes bytes, the process will be aborted.
This function will abort on failure to allocate memory.
Returns
A pointer to a memory region which HAS NOT been zeroed.