#include<stdio.h>

 struct s{
 int a[3];
 };

 int main(void)
 {
 struct s x={{10,20, 30}};
 struct s y={{40,50, 60}};

 //x.a = y.a;
 printf("x.a[1] = %d\n",x.a[1]);

 x=y;
 printf("x.a[1] = %d\n",x.a[1]);

 return 0;
 }