#include <stdio.h>
#include <stdlib.h>

#define	PACKED	__attribute__((__packed__))


struct _test
{
    char b;
    int a;
    short c;
} PACKED;

typedef struct _test test_t;

struct _test1
{
    char b;
    int a;
    short c;
};
typedef struct _test1 test1_t;





int main ( int argc, char* argv[] )
{
    test_t a;
    test1_t b;
    unsigned char* p = NULL;

    a.b = 0xa5;
    a.a = 0x12345678;
    a.c = 0xaa55;

    p = ( unsigned char* ) &a;

    printf ( "0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x \n",
             *p, * ( p + 1 ), * ( p + 2 ), * ( p + 3 ), * ( p + 4 ), * ( p + 5 ), * ( p + 6 ) );

    printf ( "test_t %d\n", sizeof ( test_t ) );
    printf ( "test1_t %d\n", sizeof ( test1_t ) );



    return 0;
}