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  1. #include <stdio.h>
  2.  
  3. #define foreach(item, array) \
  4.     for(int keep = 1, \
  5.             count = 0,\
  6.             size = sizeof (array) / sizeof *(array); \
  7.         keep && count != size; \
  8.         keep = !keep, count++) \
  9.       for(item = (array) + count; keep; keep = !keep)
  10.  
  11. int main(void)
  12. {
  13.     int values[] = { 1, 2, 3 };
  14.  
  15.     foreach(int *v, values)
  16.         printf("value: %d\n", *v);
  17.  
  18.     return 0;   
  19. }
Success #stdin #stdout 0s 2160KB
comments (?)
stdin
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Standard input is empty
stdout
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value: 1
value: 2
value: 3
https://ideone.com/QKqUcm
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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