Count Vowels in a string

The source code for program that find number of vowles in a string is given below, copy it in note pad and save it as “.cpp”. Then use suitable compiler to compile it.

/*
 *      
 *      Copyright 2011 techstream.org < techstream.org[at]gmail.com >
 *      
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *      
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *      
 */

#include
#include      // to use clrscr and getch
void main()
{
        clrscr();
        char text[30];
        int k=0;
        cout<<"enter text";
        gets(text);
        for(int i=0;text[i]!='';++i)
         {
            switch(text[i])
             {
                case 'a':
                case 'e':
                case 'i':
                case 'o':
                case 'u':
                k++;
                break;
             }
          }
        cout<<"the no: of vowels is: "<