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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct Node
{
int id;
struct Node *next;
};
typedef struct Node Node_t;
Node_t *head = NULL;
Node_t *tail = NULL;
int main(void)
{
int i;
for (i = 0; i < 10; i++)
{
if (head == NULL)
{
printf("head, adding id: %d\n", i);
head = (Node_t *) malloc(sizeof(Node_t));
head->id = i;
head->next = NULL;
tail = head;
}
else
{
printf("tail, adding id: %d\n", i);
Node_t *tmp = (Node_t *) malloc(sizeof(Node_t));
tmp->id = i;
tmp->next = NULL;
head->next = tmp;
head = head->next;
}
}
while (tail != NULL)
{
printf("tail: %d\n", tail->id);
tail = tail->next;
}
return 0;
}
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