鍊錶的增刪改查

#include

#include
#include
typedef
struct listnodelistnode;
typedef
struct listlist;
listnode *
getnewnode
(int);
list *
getlinklist()
;void
clear_node
(listnode *);
void
clear
(list *);
intinsert
(list*
,int
,int);
interase
(list *
,int);
void
output
(list *);
intmain()
break
;default
:break;}
output
(l);
printf
("\n");
}clear
(l);
#undef max_op
return0;
}listnode *
getnewnode
(int val)
list *
getlinklist()
intinsert
(list* l,
int ind,
int val)
interase
(list *l,
int ind)
void
output
(list *l)
printf
("null]\n");
return;}
void
clear_node
(listnode *node)
void
clear
(list* l)
free
(l);
return
;}

可以這個理解 將head模擬的頭指標 後面的內容重新指向p讓 head.next指向null

進行插入 頭插法

**如下

#include

#include
#include
typedef
struct listnodelistnode;
typedef
struct listlist;
listnode *
getnewnode
(int);
list *
getlinklist()
;void
clear_node
(listnode *);
void
clear
(list *);
intinsert
(list*
,int
,int);
interase
(list *
,int);
void
output
(list *);
void
reverse
(list *);
intmain()
break
;case2:
break
;case3:
break;}
output
(l);
printf
("\n");
}clear
(l);
#undef max_op
return0;
}listnode *
getnewnode
(int val)
list *
getlinklist()
intinsert
(list* l,
int ind,
int val)
interase
(list *l,
int ind)
void
output
(list *l)
printf
("null]\n");
return;}
void
clear_node
(listnode *node)
void
clear
(list* l)
free
(l);
return;}
void
reverse
(list *l)
return
;}

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