#include <stdio.h>
#define D "%c"
#define N "\n"
#define D3 D D D N
main()
{ char a,b,c; printf("enter the a,b,c:\n"); scanf(D3,a,b,c); putchar(a);putchar(b);putchar(c); getch(); }
#include <stdio.h>
#define D "%c"
#define N "\n"
#define D3 D D D N
main()
{ char a,b,c; printf("enter the a,b,c:\n"); scanf(D3,&a,&b,&c); putchar(a);putchar(b);putchar(c); getch(); }