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void add_customer(void)
{
printf("\nEnter customers ID: ");
scanf("%d",&new_customer.id);
printf("Enter customers firstname: ");
scanf("%f",&new_customer.first_name);
printf("Enter customers surname: ");
scanf("%d",&new_customer.surname);
printf("Enter customers age: ");
scanf("%s*c",&new_customer.age);
printf("Enter customers gender: ");
scanf("%s*c",&new_customer.gender);
printf("Enter customers address: ");
scanf("%s*c",&new_customer.address);
fprintf(fpnew_customer, "%d %s %s %d %s %s\n", new_sale.id,
new_customer.first_name,
new_customer.surname,
new_customer.age,
new_customer.gender,
new_customer.address);
}
void add_sale(void)
{
printf("\nEnter sale ID: ");
scanf("%d",&new_sale.id);
printf("Enter sale product_description: ");
scanf("%f",&new_sale.product_description);
printf("Enter sale price: ");
scanf("%d",&new_sale.price);
printf("Enter sale quantity: ");
scanf("%s*c",&new_sale.quantity);
fprintf(fpnew_sale, "%d %s %f %d\n", new_sale.id,
new_sale.product_description,
new_sale.price,
new_sale.quantity);
}
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