private boolean isPossibleNullPointer(Address address) throws CancelledException {
		if (!extendedFlatAPI.hasNumZeros(address, defaultPointerSize)) {
			return false;
		}
		return true;
	}
Method to determine if there are enough zeros to make a null poihnter and no
references into or out of the middle

@param address the given address
@return true if the given address could be a valid null pointer, false if not
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RTTIGccClassRecoverer.java