Return memory of at least the specified *size and at most the specified maxNumBytes. Also return the actual amount of memory allocated in *size. If *size is 0, no memory is allocated and 0 is returned. The behavior is undefined unless 0 <= *size <= maxNumBytes.
Declared in <bslma_sequentialpool.h>
void*
allocateAndExpand(
int* size,
int maxNumBytes);