What will be the output of the following C code?
#include<stdio.h>
#define hello 10
void main()
{
printf("%d",hello);
#undef hello
printf("%d",hello);
}
#include<stdio.h>
#define hello 10
void main()
{
printf("%d",hello);
#undef hello
printf("%d",hello);
}A. 10
B. hello
C. error
D. 1010
Answer: Option C
This Question Belongs to C Program >> C Preprocessor
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