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What is the output of following C code?
#ifdef something
int some=0;
#endif

main()
{
int thing = 0;
printf("%d %d\n", some ,thing);
}

A.	0 0	B.	0
C.	null	D.	Compiler error

Answer and Explanation

Answer:Compiler error

Explanation:
This is a very simple example for conditional compilation. The name something is not already known to the compiler making the declaration int some = 0; effectively removed from the source code.

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