C Program to demonstrate macros.

C Program to demonstrate macros. Macro is a piece of text that is expanded by the preprocessor part of the compiler. This is used in to expand text before compiling. Macro definitions (#define), and conditional inclusion (#if). In many C implementations, it is a separate program invoked by the compiler as the first part of translation.Read more about C Programming Language .

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#include<stdio.h>
#define SQUARE(x) x*x

main()
{
int value=3;

printf("%d n", SQUARE(value));
}
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