fork download
copy 
  1. #include  <stdio.h>
  2. #include <stdint.h>
  3.  
  4. void func(void) {
  5.     printf("Hello!\n");
  6. }
  7.  
  8. int main(void) {
  9.     uint32_t* interim = (uint32_t*) &func;
  10.  
  11.     void(*ptr1)(void);
  12.     ptr1 = (void*) interim;
  13.     ptr1();
  14.  
  15.     void(*ptr2)(void);
  16.     ptr2 = (void(*)(void)) interim;
  17.     ptr2();
  18.  
  19.     printf("The function pointers store ");
  20.     printf(((ptr1 == ptr2) && (ptr1 == &func) && (ptr2 == &func)) ? "identical" : "distinct");
  21.     printf(" addresses.\n");
  22. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Hello!
Hello!
The function pointers store identical addresses.
https://ideone.com/GfrlR3
language:
C (gcc 8.3)
created:
9 days ago
visibility:
secret

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!