169.	void push(char *nama, int hh, int mm, char*order, int total, char*kelas, char*hp, int bayar){
170.		curr = (data*)malloc(sizeof(struct data));
171.		strcpy (curr->nama, nama);
172.		curr->hh = hh;
173.		curr->mm = mm;
174.		curr->total = total+2000;
175.		curr->bayar = bayar;
176.		strcpy (curr->order, order);
177.		strcpy (curr->kelas, kelas);
178.		strcpy (curr->hp, hp);
179.		if(!head){
180.			head= tail = curr;
181.		}
182.		else{
183.			if(curr->hh<head->hh){
184.				head->prev = curr;
185.				curr->next = head;
186.				curr->prev = NULL;
187.				head = curr;
188.			}
189.			else if(curr->hh>tail->hh){
190.				tail->next = curr;
191.				curr->prev = tail;
192.				curr->next = NULL;
193.				tail = curr;
194.			}
195.			else {
196.				data *temp;
197.				temp = head;
198.				while (temp){
199.					if(curr->hh<temp->hh){
200.						curr->next = temp;
201.						curr->prev = temp->prev;
202.						(temp->prev)->next = curr;
203.						temp->prev = curr;
204.						break;
205.					}
206.					temp = temp->next;
207.				}
208.			}
209.		}
210.		tail->next = NULL;
211.	}