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2d example insertion sort

#include
#include

struct node
{
int number;
struct node *next;
};

struct node *head = NULL;

/* insert a node directly at the right place in the linked list */
void insert_node(int value);

int main(void)
{
struct node *current = NULL;
struct node *next = NULL;
int test[] = {8, 3, 2, 6, 1, 5, 4, 7, 9, 0};
int i = 0;

/* insert some numbers into the linked list */
for(i = 0; i < i =" 0;">next != NULL)
{
printf("%4d\t%4d\n", test[i++], head->number);
head = head->next;
}

/* free the list */
for(current = head; current != NULL; current = next)
next = current->next, free(current);

return 0;
}

void insert_node(int value)
{
struct node *temp = NULL;
struct node *one = NULL;
struct node *two = NULL;

if(head == NULL) {
head = (struct node *)malloc(sizeof(struct node *));
head->next = NULL;
}

one = head;
two = head->next;

temp = (struct node *)malloc(sizeof(struct node *));
temp->number = value;

while(two != NULL && temp->number <>number) {
one = one->next;
two = two->next;
}

one->next = temp;
temp->next = two;
}
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