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

What will the SWAP macro in the following program be expanded to on pr

1.	What will the SWAP macro in the following program be expanded to on preprocessing? will the code compile? #include #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
Answer» D. Compiles and print nothing