struct in struct c++ example

Example 1: how to put a struct in another struct C

struct B {  // <-- declare before
  int number;
};
struct A {
 int data;
 B b; // <--- declare data member of `B`
 };

Example 2: what is a struct in c++

struct Person
{
    char name[50];
    int age;
    float salary;
};

Example 3: c++ structure

struct product {
  int weight;
  double price;
} ;

product apple;
product banana, melon;