Linked List using C language

Linked List of C language implementation-article on C Language Program Development Technology-red/Black Alliance
Http://www.bkjia.com/kf/201109/104029.html

<stdio.h><stdlib.h><conio.h>  NULL 0    student *prior;       student *  student * student *head;       student * student *= ( student*)malloc((=->next =,&(x!== ( student*)malloc((->num =->next =->next =->prior ==,&  print( student * student *= head->(p==(p!=, p->= p->  del( student * student * student * j=, &(i<, &=(j<=i- && p!== p->++(p===->prior->next = p->->next->prior = p->= p->  insert( student * student * student *q = j = = ( student*)malloc((, &p->,p->, &(i<, &(j<=i- && q->next!== q->++(q->next==NULL && j!=->next =->prior =->next =->prior->next =->prior = q->->next =->prior =  search( student * student * number, i=, j=, &= head->(p!=(p->num=== = p->++(j==  student * student * student * student * i = * file[] = ((fp=fopen(file, ))=== ( student*)malloc((*== ( student*)malloc((*(fread(p1, (*p1), , fp)==++->next ==->next == ( student*)malloc((*(i==  savefile( student* student ** file[] = ((fp=fopen(file,))=== head->(p1!=( student), = p1->   a= student *=     (, & : insert(la);  : del(la);  : search(la);  : filein();  : savefile(la);  : print(la);  : showMenu();  : exit(: printf();