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  1. #include <stdio.h>
  2.  
  3. #define FOR(init, condition, increment, body) \
  4. { \
  5.     init; \
  6.     while (condition) { \
  7.         int entered = 0; \
  8.         int finished = 0; \
  9.         do { \
  10.             if (finished) { \
  11.                 goto more; \
  12.             } \
  13.             if (entered) { \
  14.                 goto more; \
  15.             } \
  16.             entered = 1; \
  17.             body \
  18.             finished = 1; \
  19.         } while (1); \
  20.         if (!finished) { \
  21.             goto out; \
  22.         } \
  23.     more: \
  24.         increment; \
  25.     } \
  26. out:; \
  27. }
  28.  
  29. int main ()
  30. {
  31.     FOR(int i = 0, i < 10, i++, {
  32.         if (i == 4) continue;
  33.         if (i == 6) break;
  34.         printf("%d\n", i);
  35.     })
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0.01s 1720KB
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https://ideone.com/gNoaD
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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