How to find the size of a variable without using sizeof

Question

Let us assume I have declared the variable \'i\' of certain datatype (might be int, char, float or double) ...

NOTE: Simply consider that \'i\' is

Answer 1

#include

#include

struct size1


  {
int a;
char b;
float c;
};

void main()
{
struct size1 *sptr=0;  //declared one pointer to struct and initialise it to zero//
sptr++;                 
printf("size:%d\n",*sptr);
getch();
}