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

 int main( int argc, char *argv[] )
 { 
     double *A;     // sizeof( *A ) = sizeof(int) = 4
     int i = 3;

     A = malloc( 10*sizeof(int) );

     printf("A   = %p\n", A);
     printf("A+1 = %p\n", A+1); 
     printf("A+2 = %p\n", A+2);
     printf("A+i = %p\n", A+i);
 }