error C2085: 'chakan' : not in formal parameter list，有好几个错误，大神帮忙看看啊

#include #include #include #include #include typedef struct LNode { int data; int score; int length; struct LNode *next; struct LNode *pre; }DuLNode,*DuLinkList; int koulin (); void initlist (DuLNode **p); void creat (DuLNode **