sorts an array using pointers : function pointers « Function « C++ Tutorial

1. C++ Tutorial
2. Function
3. function pointers

#include <iostream>  
  using namespace std;  
    
  int main(){  
     void bsort(int*, int);    
     const int N = 10;         
     int arr[N] = { 37, 84, 62, 91, 11, 65, 57, 28, 19, 49 };  
    
     bsort(arr, N);  
    
     for(int j=0; j<N; j++)  
        cout << arr[j] << " ";  
     cout << endl;  
     return 0;  
    }  
  void bsort(int* ptr, int n){  
     void order(int*, int*); 
     int j, k;               
    
     for(j=0; j<n-1; j++)    
        for(k=j+1; k<n; k++) 
           order(ptr+j, ptr+k);
    }  
  void order(int* numb1, int* numb2){  
     if(*numb1 > *numb2){  
        int temp = *numb1;
        *numb1 = *numb2;  
        *numb2 = temp;  
     }  
  }