Answer / susie

Answer :

TRUE

Explanation:

The input program to the compiler after processing by the
preprocessor is,

main(){

if(0)

puts("NULL");

else if(-1)

puts("TRUE");

else

puts("FALSE");

}

Preprocessor doesn't replace the values given inside the
double quotes. The check by if condition is boolean value
false so it goes to else. In second if -1 is boolean value
true hence "TRUE" is printed.

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