C Programming - C Preprocessor

@ : Home > C Programming > C Preprocessor > General Questions

Exercise

"Love is like a war, Easy to begin Hard to end."

- (Proverb)

What will the SWAP macro in the following program be expanded to on preprocessing? will the code compile?

#include<stdio.h>
#define SWAP(a, b, c)(c t; t=a, a=b, b=t)
int main()
{
    int x=10, y=20;
    SWAP(x, y, int);
    printf("%d %d\n", x, y);
    return 0;
}

A.	It compiles
B.	Compiles with an warning
C.	Not compile
D.	Compiles and print nothing

In which stage the following code
#include<stdio.h>
gets replaced by the contents of the file stdio.h

A.	During editing	B.	During linking
C.	During execution	D.	During preprocessing

C Programming - C Preprocessor

Why C Programming C Preprocessor?

Where can I get C Programming C Preprocessor questions and answers with explanation?

Where can I get C Programming C Preprocessor Interview Questions and Answers (objective type, multiple choice)?

How to solve C Programming C Preprocessor problems?

Exercise