int getReturnAddressOffset() {
		manager.lock.acquire();
		try {
			checkIsValid();
			return rec.getIntValue(FunctionAdapter.STACK_RETURN_OFFSET_COL);
		}
		finally {
			manager.lock.release();
		}
	}
Return the Variable for the given symbol.

@param symbol variable symbol
@return Variable which corresponds to specified symbol
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionDB.java