linkList reverse(linkList head){
linkList p,q,pr;
p = head->next;
q = NULL;
head->next = NULL;
while(p){
pr = p->next;
p->next = q;
q = p;
p = pr;
}
head->next = q;
return head;
}
linkList reverse(linkList head){
linkList p,q,pr;
p = head->next;
q = NULL;
head->next = NULL;
while(p){
pr = p->next;
p->next = q;
q = p;
p = pr;
}
head->next = q;
return head;
}
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