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  1. #include <iostream>
  2. #include <stdio.h>
  3. #include <cstdint>
  4.  
  5. using namespace std;
  6.  
  7. void print_var(char name, int& value) {
  8. 	uintptr_t addr = reinterpret_cast<uintptr_t>(&value);
  9. 	printf("%c value = %d, address = %p\n", name, value, addr);
  10. }
  11.  
  12. void my_proc(int& b) {
  13.     print_var('b', b);
  14.     b = 7;
  15. }
  16.  
  17. int main() {
  18.     int a = 5;
  19.     print_var('a', a);
  20.     my_proc(a);
  21.     printf("after my_proc\n");
  22.     print_var('a', a);
  23.     return 0;
  24. }
Success #stdin #stdout 0s 16064KB
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stdin
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Standard input is empty
stdout
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a value = 5, address = 0x7ffddaa70aec
b value = 5, address = 0x7ffddaa70aec
after my_proc
a value = 7, address = 0x7ffddaa70aec
https://ideone.com/4EXKjK
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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