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本帖最后由 zxw09y 于 2020-2-14 10:53 编辑
- #include<stdio.h>
- #include<stdlib.h>
- #include<time.h>
- #define OK 1
- #define ERROR 0
- #define Elemetype int
- #define Status int
- #define InitLen 5
- typedef struct Linklist
- {
- Elemetype data;
- struct Linklist *next;
- }Linklist, *pLink;
- Status ds_init(Linklist **head)
- {
- pLink cur, rear; //当前指针,尾指针
-
- for(int i = 0; i < InitLen; i++)
- {
- if((*head) = NULL) /*循环链表中只有一个节点*/
- {
- (*head) = (pLink)malloc(sizeof(Linklist));
- (*head)->data = rand()%100+1;
- //(*head)->next = *head;
- rear = (*head);
- }
- else
- {
- cur = (pLink)malloc(sizeof(Linklist));
- if(!cur)
- {
- return ERROR;
- }
-
- cur->data = rand()%100+1;
- rear->next = cur;
- rear = cur;
- }
-
- }
-
- rear->next = (*head);
-
- return OK;
- }
- void Display(pLink head)
- {
- pLink p = head;
-
- do
- {
- printf("%4d ",p->data);
- }while((p = p->next) != head);
-
- printf("\n");
- }
- int main(void)
- {
- pLink head = NULL;
- int code;
-
- srand((unsigned)time(NULL));
-
- code = ds_init(&head);
- printf("%d\n", code);
- Display(head);
-
- return 0;
- }
复制代码
#define Elemetype int
#define Status int
这里应该有问题,是typedef才能取别名,define是定义参数(我也是新手嘿嘿,不晓得对不对)
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