define() preprocessor operator in c


define() preprocessor operator in c


#include<stdio.h>
#define ABC 25
#if defined(ABC)
#define ABC 50
#undef ABC
#endif
int main(){
    printf("%d",ABC+ABC);
return 0;
}

Output: Compilation error

1 comment:

Unknown said...

The Best Casinos in USA - APRCasino
It is one of the most well-known casino casinos, and it is owned and operated by the Rincon ventureberg.com/ Band of Luiseno https://febcasino.com/review/merit-casino/ Indians. There are 토토 사이트 over 100 different aprcasino