#include <stdio.h>

typedef struct
{
	union {
		int x;
		int a;
	};
	union {
		int y;
		int b;
	};
} anon_unions;

typedef struct
{
	union {
		int x;
		int a;
	} xa;
	union {
		int y;
		int b;
	} yb;
} unions;

int main(int argc,char **argv)
{
	anon_unions v = {.a = 5};
	int *m = (int *) &v;
	printf("%08x %08x\n",m[0],m[1]);
	unions v2 = {.xa.a = 5};
	m = (int *) &v2;
	printf("%08x %08x\n",m[0],m[1]);
	return 0;
}