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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int a = 0x11223344;
  6.     int b = 0x12345678;
  7.  
  8.     int *p = &b;
  9.     char *q = &b;
  10.  
  11.     printf("%d %d\n", sizeof(p), sizeof(q));  // 4 4
  12.  
  13.     printf("%p %x\n", p, *p);
  14.     printf("%x\n", *(unsigned char *)p);
  15.     p = (unsigned char *)p + 1;
  16.     printf("%x\n", *(unsigned char *)p);
  17.  
  18.     p = &b;
  19.  
  20.     p++;
  21.     printf("%p %x\n", p, *p);
  22.  
  23.     printf("%p %x\n", q, *q);
  24.     q++;
  25.     printf("%p %x\n", q, *q);
  26.     q++;
  27.     printf("%p %x\n", q, *q);
  28.     q++;
  29.     printf("%p %x\n", q, *q);
  30.     q++;
  31.     printf("%p %x\n", q, *q);
  32.  
  33.     return 0;
  34. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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Standard input is empty
stdout
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8 8
0x7ffcc7388bc4 12345678
78
56
0x7ffcc7388bc8 432e8c00
0x7ffcc7388bc4 78
0x7ffcc7388bc5 56
0x7ffcc7388bc6 34
0x7ffcc7388bc7 12
0x7ffcc7388bc8 0
https://ideone.com/C7h0ev
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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