#Endif Conditional Preprocessor Directive
#Endif:
The #Endif directive defines the end of the previous section and the conditional construct. No symbol is used. You can use a fake symbol name as the value of the #Endif directive to help the reader. Consider the following code example.
#Ifdef: symbolA
#Ifdef: symbolB
#Elseifdef: symbolD
#Endif: symbolB
#Endif: symbolA
Indentation of each nested construct might also be helpful to the reader.