求问 哪里错了 大概是if那块

int delete(slink *head, ElemType *e)

{

    slink *p, *q;

int n;

int k;

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for( q=head,k=0;k<getlen(head);k++){

if(head->data[k]<6 && head->data[k]>3)

{q=p->next;}

p->next=q->next;

*e=q->data;

free(q);

}

return 1;

}