fork(1) download 
  1. #include <stdio.h>
  2.  
  3. int main(int argc, char *argv[])
  4. {
  5.   /* POINTER AS AN ADDRESS */
  6.   int q = 10;
  7.   int *p = &q;
  8.  
  9.   printf("address of q is %p\n", (void *)&q);
  10.   printf("p contains %p\n", (void *)p);
  11.  
  12.   p = NULL;
  13.   printf("NULL p now contains %p\n", (void *)p);
  14.   return 0;
  15. }
  16.  
Success #stdin #stdout 0s 1788KB
comments (?)
stdin 
Standard input is empty
stdout 
address of q is 0xbfee4a18
p contains 0xbfee4a18
NULL p now contains (nil)
https://ideone.com/rcSUsb
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!