Print out votes and names and sort them

#include <iostream>
using namespace std;
struct Node {
  string name;
  int count;
  Node * next;
};
int main() {
  string s;
  void printlist(Node * );  
  void sortedinserted(Node * );
  Node * head, * cur, * prev, * tmp;
  head = cur = prev = tmp = NULL;
  while (1) {
    getline(cin, s);
    if (s.length() == 0) {
      break;

    }
    tmp = new Node;
    tmp -> name = s;
    tmp -> count = 1;
    tmp -> next = NULL;

    if (head == NULL)
      head = tmp;
    else {
      prev = NULL;
      cur = head;
    }
    cur = head;
    while (cur) {
      if (cur -> name == s) {
        cur -> count += 1;
        break;
      } else {
        prev = cur;
        cur = cur -> next;
      }
    }
    if (cur == NULL) {
      prev -> next = tmp;
    }
  }
  printlist(head);
  sortedinsert(head);
  return 0;
}
void sortedinsert(Node * head){
Node * cur = head ;
Node * tmp;
Node * prev = NULL;
while(cur){
if(cur->name > tmp->name){
tmp->next=cur;
prev->next=tmp;
break;
}
void printlist(Node * head) {
  Node * cur = head;
  while (cur) {
    cout << cur -> name << cur -> count << endl;
    cur = cur -> next;
  }
}