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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. struct list {
  5.     int key;
  6.     struct list *next;
  7. };
  8.  
  9. struct list *append(struct list **l, int k)
  10. {
  11.     *l = malloc(sizeof *l);
  12.     (*l)->key = k;
  13.     return *l;
  14. }
  15.  
  16. void print(struct list *node)
  17. {
  18. 	while(node)
  19. 	{
  20. 		printf("%d\n", node->key);
  21. 		node = node->next;
  22. 	}
  23. }
  24.  
  25. int main(void)
  26. {
  27.     struct list *l = NULL;
  28.     int i;
  29.  
  30.     for (i = 0; i < 42; ++i)
  31.         l = ((l == NULL) ? append(&l, i) : l);
  32.     print(l);
  33. }
  34.  
Success #stdin #stdout 0.01s 1852KB
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https://ideone.com/m8urS
language:
C99 (gcc 8.3)
created:
14 years ago
visibility:
public

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