C語言實現單鏈表的基本操作

定義鍊錶結點結構體

typedef

struct node  mylinkedlist, node;

mylinkedlist*

mylinkedlistcreate()

void

mylinkedlistaddathead
(mylinkedlist* obj,
int val)

void

mylinkedlistaddattail
(mylinkedlist* obj,
int val)

int

mylinkedlistaddatindex
(mylinkedlist* obj,
int index,
int val)if(
!p || j > index)
node* newnode =
(node*
)malloc
(sizeof
(node));
// 生成新結點
newnode->val = val;
newnode->next = p->next;
p->next = newnode;
return0;
}

int

mylinkedlistdeleteatindex
(mylinkedlist* obj,
int index)if(
!(p->next)
|| j > index)
node* q = p->next;
p->next = q->next;
// 刪除並釋放結點
val = q->val;
free
(q);
return val;
}

int

mylinkedlistget
(mylinkedlist* obj,
int index)if(
!p || j>index)
return p->val;
}

void

mylinkedlistfree
(mylinkedlist* obj)
free
(obj)
;}

void

showall
(mylinkedlist* obj)
printf
("\n");
}

#include

#include
intmain()
showall
(obj)
;printf
("首元結點前插入：");
mylinkedlistaddathead
(obj,1)
;showall
(obj)
;printf
("尾元結點後插入：");
mylinkedlistaddattail
(obj,36)
;showall
(obj)
;printf
("在指定座標插入：");
mylinkedlistaddatindex
(obj,2,
6);showall
(obj)
;printf
("在指定座標刪除：");
mylinkedlistdeleteatindex
(obj,3)
;showall
(obj)
;printf
("獲取指定座標數值：%d\n"
				
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