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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. struct XXX {
  6.     struct XXX* next;
  7.     int val;
  8. };
  9.  
  10. struct XXX* create(int val)
  11. {
  12.     struct XXX* data;
  13.     data = (struct XXX*) malloc(sizeof (struct XXX));
  14.     data->next = NULL;
  15.     data->val = val;
  16.     return data;
  17. }
  18.  
  19. void add_last(struct XXX* data, int val)
  20. {
  21.     while (data->next != NULL) {
  22.         data = data->next;
  23.     }
  24.     data->next = create(val);
  25. }
  26.  
  27. int main(void)
  28. {
  29.     struct XXX* data;
  30.  
  31.     data = create(10);
  32.     add_last(data, 20);
  33.     add_last(data, 30);
  34.     printf("%d, %d, %d\n", data->val, data->next->val, data->next->next->val);
  35.     printf("0x%X\n", data);
  36.     printf("0x%X\n", data->next);
  37.     printf("0x%X\n", data->next->next);
  38.     printf("0x%X\n", data->next->next->next);
  39.     return 0;
  40. }
Success #stdin #stdout 0.01s 1852KB
comments (?)
stdin 
Standard input is empty
stdout 
10, 20, 30
0x80C2008
0x80C2018
0x80C2028
0x0
https://ideone.com/bnUTHD
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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