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  1.  
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4.  
  5. typedef struct DF_NODE
  6. {
  7.     int a;
  8.     DF_NODE* link;
  9. }ST_NODE;
  10.  
  11. int main()
  12. {
  13.     DF_NODE* node = NULL;
  14.     DF_NODE* node_tmp = NULL;
  15.     DF_NODE* node_first = NULL;
  16.     DF_NODE* node_before = NULL;
  17.     int size = 0;
  18.  
  19.     size = sizeof(DF_NODE);
  20.     node_tmp = (DF_NODE*) malloc (size);    
  21.     node = node_tmp;
  22.     node_first = node_tmp;
  23.     printf("%x\n", node);
  24.  
  25.     node_tmp = (DF_NODE*) malloc (size);    
  26.     node->link = node_tmp;
  27.     node = node->link;
  28.     printf("%x\n", node);
  29.  
  30.     node_tmp = (DF_NODE*) malloc (size);    
  31.     node->link = node_tmp;
  32.     node = node->link;
  33.     printf("%x\n", node);
  34.  
  35.     printf("\n");
  36.     node = node_first;
  37.     for(;node;node_before=node,node=node->link)
  38.     {
  39.         printf("node : %x   node_before : %x\n", node, node_before);
  40.         free (node);
  41.     }
  42.  
  43.  
  44.  
  45.     return 0;
  46. }
  47.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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b5075c20
b5076c50
b5076c70

node : b5075c20   node_before : 0
node : b5076c50   node_before : b5075c20
node : b5076c70   node_before : b5076c50
https://ideone.com/m4rIrb
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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