"c
the code
"
#include<stdio.h>
#include<malloc.h>
typedef struct LinkNode
{
char date;
struct LinkNode* next;
}LNode,*LinkList,*NodePtr;
LinkList initLinkList()
{
NodePtr tempHeader = (NodePtr)malloc(sizeof(LNode));
tempHeader->date = '\0';
tempHeader->next = NULL;
return tempHeader;
}
void printList(NodePtr paraHeader)
{
NodePtr p = paraHeader->next;
while (p != NULL)
{
printf("%c", p->date);
p = p->next;
}
printf("\r\n");
}
void appendElement(NodePtr paraHeader, char parachar)
{
NodePtr p, q;
q = (NodePtr)malloc(sizeof(LNode));
q->date = parachar;
q->next = NULL;
p = paraHeader;
while (p->next != NULL)
{
p = p->next;
}
p->next = q;
}//应该是头节点不算第一个
void insertElement(NodePtr paraHeader, char paraChar, int paraPosition)
{
NodePtr p, q;
p = paraHeader;
for (int i = 0; i < paraPosition; i++)//p指向paraPosition的上一个
{
p = p->next;
if (p == NULL)
{
printf("The position %d is beyond the scope of the list.", paraPosition);
return;
}
}
q = (NodePtr)malloc(sizeof(LNode));
q->date = paraChar;
printf("linking\r\n");
q->next = p->next;
p->next = q;
}
void deleteElement(NodePtr paraHeader, char paraChar)
{
NodePtr p, q;
p = paraHeader;
while (p->next != NULL && p->next != paraChar)
{
p = p->next;
}
if (p->next == NULL)
{
printf("Cannot delete %c\r\n", paraChar);
return;
}
q = p->next;
p->next = p->next->next;
free(q);
}
void appendInsertDeleteTest() {
LinkList tempList = initLinkList();
printList(tempList);
appendElement(tempList, 'H');
appendElement(tempList, 'e');
appendElement(tempList, 'l');
appendElement(tempList, 'l');
appendElement(tempList, 'o');
appendElement(tempList, '!');
printList(tempList);
deleteElement(tempList, 'e');
deleteElement(tempList, 'a');
deleteElement(tempList, 'o');
printList(tempList);
insertElement(tempList, 'o', 1);
printList(tempList);
}
void basicAddressTest() {
LNode tempNode1, tempNode2;
tempNode1.date = 4;
tempNode1.next = NULL;
tempNode2.date = 6;
tempNode2.next = NULL;
printf("The first node: %p, %p, %p\r\n",
&tempNode1, &tempNode1.date, &tempNode1.next);
printf("The second node: %p, %p, %p\r\n",
&tempNode2, &tempNode2.date, &tempNode2.next);
tempNode1.next = &tempNode2;
}
int main() {
appendInsertDeleteTest();
}
本文bug
printf("The first node: %d, %d, %d\r\n",
&tempNode1, &tempNode1.data, &tempNode1.next);
printf("The second node: %d, %d, %d\r\n",
&tempNode2, &tempNode2.data, &tempNode2.next);
地址应用%p