c语言中 c2059错误是,c语言的问题error C2059: syntax error : '{'

c语言的问题error C2059: syntax error : '{'0

#include

typedef struct node

{

int data;

struct node *next;

}LinkList;

print(LinkList *h)

{

LinkList *p;

for(p=h;p;p=p->next)

printf("%4d",p->next);

}

LinkList *creatlist()

{

LinkList *head,*r,*s;

int x;

head=(LinkList*)malloc(sizeof(LinkList));

r=head;

printf("input integer 0 end\n");

scanf("%d",&x);

while(x!=0)

{

s=(LinkList *)malloc(sizeof(LinkList));

s->data=x;

s->next=NULL;

r->next=s;

r=s;

scanf("%d",&x);

}

r->next=NULL;

s=head;

head=head->next;

free(s);

print(head);

return head;

}

void subs()

{

LinkList *p,*p1,*p2,*q,*heada,*headb;

heada=creatlist();

headb=creatlist();

p=heada;

p1=p;

while(p!=NULL)

{

q=headb;

while(q->data!=p->data && q!=NULL) q=q->next;

if (q!=NULL)

{

if(p==heada)

{

heada=heada->next;

p=p1=heada;

}

else

if(p->next==NULL){p1->next=NULL;p=p->next;

}

else if{

p1->next=p->next;

p2=p->next;

free(p);

p=p2;

}

else {

p1=p;

p=p->next;

}

}

p=heada;

if(p==NULL)

printf("result is null\n");

else printf("result is:\n");

while(p!=NULL)

{

printf("%4d",p->data);

p=p->next;

}

}

void main()

{

creatlist();

subs();

}

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