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What is the output of the below C code?

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YasminRadwan26

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2022-06-23

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What is the output of the below C code?

#include <stdio.h>
#define PRINT(var,data) do {\
                            if(var < data)\
                                {\
                                    printf("Aticleworld");\
                                    ++var;\
                                }\
                            }while(1);
int main()
{
    PRINT(0,2);
    return 0;
}

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YasminRadwan26

2022-06-23

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Output: compiler Error.

Explanation: When macro will be expanded, var will be replaced with 0 (Rvalue). Because you are trying to increment the Rvalue, you will get a compiler error. You can read this article for more detail, post, and pre-increment operators.

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