//storage classes example
#include <stdio.h>
int formula (int a, int b)
{
auto int c; //same as int c;
c = 4 * a + b;
return (c);
}
int
main (void)
{
int x;
static int y;
register int z = 333; //z has no address!
x = formula (5, 3);
printf ("%d\n", x);
printf ("%d\n", y); //static variable at 0!
printf ("%d\n", z);
return (0);
}