C++ help, so I have the following code for Car Showroom project and I can't seem to fix the errors

#include #include using namespace std; struct node_onwer { int price_of_car; string car_company,car_Model; node_onwer *nextlink, *prelink; }; node_onwer *head; void input(node_onwer *node) { cout << "Enter the name of Car Company :"; cin >> node->car_company; cout << "Enter the name of Car Model :"; cin >> node->car_Model; cout << "Enter the price of Car :"; cin >> node->price_of_car;

} void display_owner_node(node_onwer *temp) { cout << "Car Company is " << temp->car_company << endl; cout << "Car model is " << temp->car_Model << endl; cout << "Car price is " << temp->price_of_car << endl; }

void new_node(node_onwer *current_node) { node_onwer* temp1; temp1 = new node_onwer(); input(temp1); if (current_node==NULL) { head = new node_onwer(); temp1->prelink = NULL; temp1->nextlink = NULL; head->car_company = temp1->car_company; head->car_Model = temp1->car_Model; head->price_of_car = temp1->price_of_car; } else { current_node->nextlink = temp1; temp1->prelink = current_node; temp1->nextlink = NULL; } }

node_onwer* Serach_owner_node(string model_of_car, node_onwer* head) { node_onwer* current = head; while (current != NULL) { if (current->car_Model == model_of_car) { cout << "The Company of the is " << current->car_company << endl; cout << "The Model of the is " << current->car_Model << endl; cout << "The Price of the is " << current->price_of_car << endl; return current; } current = current->nextlink; } cout<<"This car is not available "; return NULL; }

void swap_of_node_owner(node_onwer *one_node,node_onwer *second_node) { string model_of_car,Company_of_car; int price_of_car;

Company_of_car=one_node->car_company ; model_of_car = one_node->car_Model; price_of_car = one_node->price_of_car;

one_node->car_company = second_node->car_company; one_node->car_Model = second_node->car_Model; one_node->price_of_car = second_node->price_of_car;

second_node->car_company = Company_of_car; second_node->car_Model = model_of_car; second_node->price_of_car = price_of_car; }

void sort_of_node_owner(node_onwer *head)//Issue sorting using string[0] { node_onwer* current ,*current1; current = new node_onwer(); current1 = new node_onwer(); current = head; while (current != NULL) { current1 = head; while (current1 != NULL) { if ((current->car_company) > (current1->car_company)) { swap_of_node_owner(current, current1); } current1 = current1->nextlink; } current = current->nextlink; } } void insertion_node_owner(node_onwer *head) { node_onwer *temp, * current; current = new node_onwer(); temp =new node_onwer(); current = head; while (current != NULL) { temp = current; current = current->nextlink; } new_node(temp); sort_of_node_owner(head); }

void delete_node_owner_model(string Model) { node_onwer* temp; temp=new node_onwer();

node_onwer* current; current = new node_onwer(); int a = 0; current = head; while (current == NULL) { if (current->car_Model == Model) { temp = current; break; a = 1; } else current = current->nextlink; } if(a==1){ temp = new node_onwer(); if (temp == head) { temp->nextlink = NULL; delete(temp); } else if (temp->nextlink == NULL) { temp->prelink = NULL; delete(temp); } else { node_onwer* temp1; temp = new node_onwer(); temp1 = temp->prelink; temp1->nextlink = temp->nextlink; temp = temp->nextlink; temp->prelink = temp1; temp = temp->prelink; delete(temp); } } } struct node { int num; string model,color; int price; node* next=NULL; node* prev=NULL; }; node* Head=NULL; void insert(int a,string b,string c,int d) { struct node* newnode = new node(); newnode->num = a; newnode->model=b; newnode->color=c; newnode->price=d; newnode->prev = NULL; newnode->next = Head; if(head != NULL) Head->prev = newnode ; Head = newnode; } void display() { node* p=Head; while(p!=NULL) { cout<num<<" "<model<<" "<color<<" "<price<next; } } void swap(node_onwer *a, node_onwer *b) { int temp = a->price_of_car; a->price_of_car = b->price_of_car; b->price_of_car = temp; }

void bubbleSort(node_onwer *start) { int swapped; node_onwer *ptr1; node_onwer *lptr = NULL; /* Checking for empty list */ if (start == NULL) return; do { swapped = 0; ptr1 = start; while (ptr1->nextlink != lptr) { if (ptr1->price_of_car > ptr1->nextlink->price_of_car) { swap(ptr1, ptr1->nextlink); swapped = 1; } ptr1 = ptr1->nextlink; } lptr = ptr1; } while (swapped); }void search(string x) { int check; node_onwer* temp=head; while(temp!=NULL) { if(temp->car_Model==x) { cout<<"These are the Details of the car:"<car_company<<" "<car_Model<<" "<price_of_car; return; } else{ temp=temp->nextlink; check=0; } } if(check==0) cout<<" This car is not available."; } int main() { int Choice_of_menu, Choice_of_sub_menu; node_onwer *currnet_for_pro; currnet_for_pro = new node_onwer(); head = NULL; if(head==NULL) { cout << "How namy car companies you have:"; cin >> Choice_of_menu; new_node(NULL); currnet_for_pro=head; for (int i = 0; i < Choice_of_menu; i++) { new_node(currnet_for_pro); currnet_for_pro = currnet_for_pro->nextlink; } } start_menu: cout << " \t\tMenue\t\t "; cout << "\t1.Owner case \t2.User case \t3.Exit"; cin >> Choice_of_menu; switch (Choice_of_menu) { case 1: st_owner_std:cout << "Owner Phase 1.Display all record 2.Change the record 3.serach any model 4.sort all record Back "; cin >> Choice_of_sub_menu; switch (Choice_of_sub_menu) { case 1: currnet_for_pro = head; while (currnet_for_pro !=NULL) { display_owner_node(currnet_for_pro); currnet_for_pro = currnet_for_pro->nextlink; } break; case 2: break; case 3: break; case 4: goto start_menu; default: goto st_owner_std; break; } break; case 2: int choices = 1; cout<<"Welcome To Honda's Showroom!"<

bubbleSort(head); display(); while(choices != 0) { string car_name; cout<<" What Car are you looking for:"; cin>>car_name; search(car_name); cout<<" Do you want to Check for some other Car?(1 for yes, 0 to exit)"; cin>>choices; } break; case 3: break; I want to call the bubbleSort, search and delete functions inside the main, and also can't seem to fix the errors caused by goto statement and choices