#include <stdio.h>

struct child
{
int a;
float b;
};
struct father
{
int a;
float b;
child ch1;
};//fa1={10,20.0f,{30,40.0}};
main()
{
father fa1={10,20.0f,{30,40.0}};
printf(“%d\t%f\n”,fa1.ch1.a,fa1.ch1.b);
printf(“%d\t%f\n”,fa1.a,fa1.b);
}