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  1. #include <stdio.h> 
  2.  
  3.  
  4. struct str_0
  5. {
  6.   char    c_1;
  7.   char    c_2;
  8.   char    c_3;
  9.   char    c_4;
  10.   int     i_1;
  11. };
  12.  
  13. struct str_1
  14. {
  15.   char    c_1;
  16.   char    c_2;
  17.   char    c_3;
  18.   int     i_1;
  19. };
  20.  
  21. struct str_2 
  22. {
  23.   char    c_1;
  24.   char    c_2;
  25.   int     i_1;
  26. };
  27.  
  28. struct str_3 
  29. {
  30.   char    c_1;
  31.   int     i_1;
  32. };
  33.  
  34. int main(void) 
  35. { 
  36.   struct str_0 str0;
  37.   struct str_1 str1;
  38.   struct str_2 str2;
  39.   struct str_3 str3;
  40.  
  41.   printf("%li %li %li %li\n",
  42.                           (char *)&str0.c_2 - (char *)&str0.c_1,
  43.                           (char *)&str0.c_3 - (char *)&str0.c_2,
  44.                           (char *)&str0.c_4 - (char *)&str0.c_3,
  45.                           (char *)&str0.i_1 - (char *)&str0.c_4 );
  46.  
  47.   printf("%li %li %li\n", (char *)&str1.c_2 - (char *)&str1.c_1,
  48.                           (char *)&str1.c_3 - (char *)&str1.c_2,
  49.                           (char *)&str1.i_1 - (char *)&str1.c_3 );
  50.  
  51.   printf("%li %li\n",     (char *)&str2.c_2 - (char *)&str2.c_1,
  52.                           (char *)&str2.i_1 - (char *)&str2.c_2 );
  53.  
  54.   printf("%li\n",         (char *)&str3.i_1 - (char *)&str3.c_1);
  55.  
  56.   return 0; 
  57. } 
  58.  
Success #stdin #stdout 0s 1788KB
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https://ideone.com/suTSh1
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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