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  1. #include <stdio.h>
  2. int
  3. main (void)
  4. {
  5.   int i = 123;
  6.   int *p = &i;       // Puntatore al tipo "int".
  7.   int **pp = &p;     // Puntatore di puntatore al tipo
  8.                      // "int".
  9.   int ***ppp = &pp;  // Puntatore di puntatore di puntatore
  10.                      // al tipo "int".
  11.  
  12.   printf ("i, p, pp, ppp: %i, %u, %u, %u\n",
  13.           i, (unsigned int) p, (unsigned int) pp,
  14.           (unsigned int) ppp);
  15.  
  16.   printf ("i, p, pp, *ppp: %i, %u, %u, %u\n",
  17.           i, (unsigned int) p, (unsigned int) pp,
  18.           (unsigned int) *ppp);
  19.  
  20.   printf ("i, p, *pp, **ppp: %i, %u, %u, %u\n",
  21.           i, (unsigned int) p, (unsigned int) *pp,
  22.           (unsigned int) **ppp);
  23.  
  24.   printf ("i, *p, **pp, ***ppp: %i, %i, %i, %i\n",
  25.            i, *p, **pp, ***ppp);
  26.  
  27.   return 0;
  28. }
  29.  
Success #stdin #stdout 0.01s 1720KB
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stdin
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Standard input is empty
stdout
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i, p, pp, ppp: 123, 3218046628, 3218046624, 3218046620
i, p, pp, *ppp: 123, 3218046628, 3218046624, 3218046624
i, p, *pp, **ppp: 123, 3218046628, 3218046628, 3218046628
i, *p, **pp, ***ppp: 123, 123, 123, 123
https://ideone.com/pzBoW
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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