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  1. #include <stdio.h>
  2.  
  3. void def_1(int* num1, int* num2, int*_return[2]);
  4. void def_2(int num, int num2, int* _return[2] ,int **ptr[2]);
  5. int main() 
  6. {
  7.    int num1 = 1;
  8.    int num2 = 2;
  9.    int* _return[2];
  10.    int** ptr[2] = { NULL };
  11.  
  12.    printf("num1 : %d\nnum2 : %d\n", num1, num2);
  13.    def_1(&num1, &num2, &_return);
  14.  
  15.    printf("num1 : %d\nnum2 : %d\n", *_return[0], *_return[1]);
  16.    def_2(num1, num2, _return, ptr);
  17.  
  18.    printf("num1 : %d\nnum2 : %d\n", **ptr[0], **ptr[1]);
  19.    return 0;
  20. }
  21.  
  22. void def_1(int* num1, int* num2, int* _return[2]) 
  23. {
  24.    _return[0] = num1;
  25.    _return[1] = num2;
  26.  
  27.    *_return[0] += 1;
  28.    *_return[1] += 1;
  29. }
  30.  
  31. void def_2(int num1, int num2, int* _return[2] ,int** ptr[2]) 
  32. {
  33.    ptr[0] = &_return[0];
  34.    ptr[1] = &_return[1];
  35.  
  36.    **ptr[0] += 1;
  37.    **ptr[1] += 1;
  38. }
  39.  
  40.  
Success #stdin #stdout 0s 2156KB
comments (?)
stdin 
Standard input is empty
stdout 
num1 : 1
num2 : 2
num1 : 2
num2 : 3
num1 : 3
num2 : 4
https://ideone.com/DZxS6X
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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