C Preprocessor Question: Download C Preprocessor PDF

#include statement must be written

a) Before main()
b) Before any scanf/printf
c) After main()
d) It can be written anywhere

b
(Before any scanf/printf)
Explanation:Using these directives before main() improves readability.

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1. Which of the following are C preprocessors? a) #ifdef b) #define c) #endif d) All of the mentioned	#pragma exit is primarily used for? a) Checking memory leaks after exitting the program b) Informing Operating System that program has terminated c) Running a function at exitting the program d) No such preprocessor exist