Stringizing Operator and Pasting Operator

 //stringizing operator : in this operater we doesnot use double code in printf"""

#include <stdio.h>

#define NAME(s) #s

int main()

{

    

    printf( NAME(rohit parmar) );

    return 0;

}

// pasting operator :

// this operator we use ## and it concat(add) the terms

#include <stdio.h>

#define CONCAT(a,b) a ## b

int main()

{

    int xy = 23;

    int pq = 20;

    printf( "%d\n" , CONCAT(x,y) );

    printf ("%d\n", CONCAT(p,q));

    return 0;

}