//Justin Nelson
//Linked list program.

char menu();

#include <stdio.h>

struct Inventory
{
    int number;
    int qty;
    float price;
    struct Inventory *next;
};

typedef struct Inventory Inv;

int main()
{
struct Inventory *first = NULL, *previous = NULL, *current = NULL;
char menuChoice;
int x, i;
float y;
struct Inventory number, qty, price;

//menuChoice = menu();
//printf("\n%c", menuChoice);
for (i = 0; i < 3; i++)
{
current = (struct Inventory*) malloc(sizeof(struct Inventory));
printf("Enter the part number: ");
scanf("%d", current -> number);
//current -> number = x;
printf("%d", current->number);
printf("Enter the quantity: ");
scanf("%d", &x);
current -> qty = x;
printf("Enter the price: ");
scanf("%f", &y);
current -> price = y;
if (first = NULL)
{
    first = current;
    previous = current;
}

previous->next = current;
current -> next = NULL;
previous = current;

}

current = first;
while (current != NULL)
{
printf("Part Number: %d\tQuantity: %d\tPrice: %f", current->number, current->qty, current->price);
}

return 0;
}


char menu()
{
char choice;

printf("Select one of the following.\n\n");
printf("A. Create a new linked list of part number, quantity and price.\n");
printf("B. Add to an existing list (read from a file)\n");
printf("C. Print the entire list.\n");
printf("D. Print the information for one user selected part number.\n");
printf("E. Insert a new structure into the linked list.\n");
printf("F. Modify an existing structure into the linked list.\n");
printf("G. Delete an existing structure from the list.\n");
printf("H. Save a list (to a file)\n");
printf("I. Exit from the program.\nYour selection: ");
scanf("%c", &choice);

return choice;
}