Untitled

#include <iostream>
using namespace std;

//function declaration
void str_rev(string *str);
int str_len(string *str);

//writing function content
int str_len(string *str)
{
  int trigger = 0;
  while ((*str)[trigger] != '\0')
  {
    trigger++;
  }
  return trigger;
}

//writing function content
void str_rev(string *str){
	int length=str_len(str)-1; //storing the length of the string using my function str_len
	
	//reversing of the string
	for(int i=0;i<=length/2;i++){
		char temp=(*str)[length-i];//storing V in temp
		(*str)[length-i]=(*str)[i];//assigning G into the last place
		(*str)[i]=temp;
	}
}
int main()
{
  string str;
  cout << "Enter the string : ";
  getline(cin, str);
  str_rev(&str);
  cout << "After reversing the string = "<<str<<"\nLength of this string is "<<str_len(&str)<<endl;
  return 0;
}