#include   <stdio.h>





////////////////////////////////////////////////////
struct Cday
{

    int                nYear;
    const char       *pszDay;
    int                 nSec;
};


void foo(Cday d);


////////////////////////////////////////////////////
int main()                                        //
{

    Cday day1;

    day1.nYear =      2022;

    day1.pszDay = "Monday";

    day1.nSec = 1688169600;

    printf("size Cday = %d\n", sizeof(day1) );
    printf("address day1 = %d\n", &day1);
    foo(day1);

}



////////////////////////////////////////////////
void foo(Cday d)
{
     printf("address  d   = %d\n", &d);

     printf("d.nYear   = %d\n", d.nYear );
     printf("d.pszDay  = %s\n", d.pszDay);
     printf("d.nSec    = %d\n", d.nSec  );
     printf(" - - - - - - -\n\n\n\n"    );




                  printf("d.nYear   = %d\n",   d );

int *p = (int*)&d;

     p = p + 1;   printf("d.pszDay  = %s\n",  *p );
     p = p + 1;   printf("d.nSec    = %d\n",  *p );
}