fechner.net

#include <stdio.h>
 
/* programm to see who a pointer works
   Written by Matthias Fechner
*/
 
int main(void)
{
   int i,*ptr;
 
   i=3;
   ptr=&i;
 
   printf("i=%d\n",i);
   printf("ptr=0x%X\n",ptr);
   printf("*ptr=%d\n",*ptr);
 
   i=5;
   printf("i=%d\n",i);
   printf("ptr=0x%X\n",ptr);
   printf("*ptr=%d\n",*ptr);
 
   *ptr=8;
   printf("i=%d\n",i);
 
   return 1;
}

Source File: 

pointer.c

Output: 

pointer_ausgabe.txt