UniStuff/Workbook/include/wws.h

45 lines
828 B
C
Raw Normal View History

2024-12-27 15:25:17 +01:00
#ifndef WWS_H_
#define WWS_H_
#include "util.h"
#define ARRSIZE 4096
#define EXITVAL 15326
typedef struct Product Product;
typedef struct Customer Customer;
struct Product {
int id;
char* name;
double price;
int amount;
};
struct Customer {
char* name;
int id;
// NOTE: Always NULL-initialize this!!
Product* products[ARRSIZE];
};
// Implementation details
int read_id();
char* read_name();
double read_price();
int read_amount();
int find_first_free_index(Customer customer);
int find_product(Customer customer, int id); // Returns index of product
int find_customer(int id); // Returns index in the customers array
// Top-Level functions
int add_product();
int print_product();
int add_customer();
int print_customer();
int menu();
extern Customer customers[ARRSIZE];
#endif // WWS_H_