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;}
Answer: Option C
Explanation: