数据结构c语言2：单链表

void appendElement(NodePtr paraHeader,char paraChar){
	NodePtr p,q;
	
	//Step 1.创建一个新结点
	q=(NodePtr)malloc(sizeof(LNode));
	q->data=paraChar;
	q->next=NULL;
	
	//Step 2.找到尾部
	p=paraHeader;
	while(p->next!=NULL){
		p=p->next;
	}
	
	//Step3.插入
	p->next=q; 
} 

void insertElement(NodePtr paraHeader,char paraChar,int paraPosition){
	NodePtr p,q;
	
	//Step1.找到位置
	p=paraHeader;
	for(int i=0;i
		p=p->next;
		if(p==NULL){
			printf("The position %d is beyond the scope of the list.",paraPosition); 
			return;
		}
	} 
	
	//Step2.创建新结点
	q=(NodePtr)malloc(sizeof(LNode));
	q->data=paraChar;
	
	//插入
	printf("linkingrn");
	q->next=p->next;
	p->next=q; 	
} 

void deleteElement(NodePtr paraHeader,char paraChar){
	NodePtr p,q;
	p=paraHeader;
	while((p->next!=NULL)&&(p->next->data!=paraChar)){
		p=p->next;
	}
	
	if(p->next==NULL){
		printf("Cannot delete %crn",paraChar);
		return;
	}
	q=p->next;
	p->next=p->next->next;
	free(q);
} 

#include
#include

typedef struct LinkNode{
	char data;
	struct LinkNode *next;
}LNode,*LinkList,*NodePtr;

//初始化链表
LinkList initLinkList(){
	NodePtr tempHeader=(NodePtr)malloc(sizeof(LNode));
	tempHeader->data='';
	tempHeader->next=NULL;
	return tempHeader;
} 

//打印链表
void printList(NodePtr paraHeader){
	NodePtr p=paraHeader->next;
	while(p!=NULL){
		printf("%c",p->data);
		p=p->next;
	}
	printf("rn");
} 

//尾部插入元素
void appendElement(NodePtr paraHeader,char paraChar){
	NodePtr p,q;
	
	//Step 1.创建一个新结点
	q=(NodePtr)malloc(sizeof(LNode));
	q->data=paraChar;
	q->next=NULL;
	
	//Step 2.找到尾部
	p=paraHeader;
	while(p->next!=NULL){
		p=p->next;
	}
	
	//Step3.插入
	p->next=q; 
} 

//插入元素到给定的位置
void insertElement(NodePtr paraHeader,char paraChar,int paraPosition){
	NodePtr p,q;
	
	//Step1.找到位置
	p=paraHeader;
	for(int i=0;i
		p=p->next;
		if(p==NULL){
			printf("The position %d is beyond the scope of the list.",paraPosition); 
			return;
		}
	} 
	
	//Step2.创建新结点
	q=(NodePtr)malloc(sizeof(LNode));
	q->data=paraChar;
	
	//插入
	printf("linkingrn");
	q->next=p->next;
	p->next=q; 	
} 

//从链表中删除结点
void deleteElement(NodePtr paraHeader,char paraChar){
	NodePtr p,q;
	p=paraHeader;
	while((p->next!=NULL)&&(p->next->data!=paraChar)){
		p=p->next;
	}
	
	if(p->next==NULL){
		printf("Cannot delete %crn",paraChar);
		return;
	}
	q=p->next;
	p->next=p->next->next;
	free(q);
} 

//测试
void appendInsertDeleteTest(){
	//Step1.初始化一个空表
	LinkList tempList=initLinkList();
	printList(tempList);
	
	//Step2.插入一些字符
	appendElement(tempList, 'H');
	appendElement(tempList, 'e');
	appendElement(tempList, 'l');
	appendElement(tempList, 'l');
	appendElement(tempList, 'o');
	appendElement(tempList, '!');
	printList(tempList);
	
	//Step3.删除一些字符
	deleteElement(tempList, 'e');
	deleteElement(tempList, 'a');
	deleteElement(tempList, 'o');
	printList(tempList);
	
	//Step.4插入字符至给定的位置
	insertElement(tempList, 'o', 1);
	printList(tempList); 
}

//地址测试
void basicAddressTest(){
	LNode tempNode1,tempNode2;
	
	tempNode1.data=4;
	tempNode1.next=NULL;
	
	tempNode1.data=6;
	tempNode1.next=NULL;
	
	printf("The first node: %d, %d, %drn",&tempNode1, &tempNode1.data, &tempNode1.next);
	printf("The second node: %d, %d, %drn",&tempNode2, &tempNode2.data, &tempNode2.next);
	
	tempNode1.next=&tempNode2;
} 

int main()
{
	appendInsertDeleteTest();
	basicAddressTest();
}

Hello!
Cannot delete a
Hll!
linking
Holl!
The first node: 6487520, 6487520, 6487528
The second node: 6487504, 6487504, 6487512

--------------------------------
Process exited after 0.02025 seconds with return value 0
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