Programming

#include <iostream>
using namespace std;
int main()
{
        char* str ;
        char revStr[20];
        int i=0;
        cout<<"Enter string to reverse\n";
        gets(str);

        int l = strlen(str);
        str +=l---1;
        while(l >= 0)
        {
                revStr[i++] = *str;
                str--;
                l--;
        }
        revStr[i] = '\0';
        cout<<"Reversed String:: "<<revStr<<"\n";
}

[tethomas@~/C++]./a.out
Enter string to reverse
Hello World
Reversed String:: dlroW olleH

# echo "Hello World" | fold -w 1 | tail -r | tr -d '\n' | xargs
dlroW olleH