C Preprocessor Question:
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1. Which of the following are C preprocessors?
a) #ifdef
b) #define
c) #endif
d) All of the mentioned

Answer:

d
(All of the mentioned)

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Do you have any idea about the use of "auto" keyword?#include statement must be written

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