////////////////////////////////////////////////////////
//
//	vowel.cpp
//
//	Started 1/5/97 by Jeff Ondich
//	Last modified: 1/5/97
//
//	This program illustrates the use of functions in
//	C++ programs.
//
////////////////////////////////////////////////////////


#include	<iostream.h>

int VowelCount( char *str );

int main( void )
{
	char	theString[100];

	cout << "Type something, please: ";
	cin >> theString;
	
	cout << '\"' << theString << '\"'
		 << " contains " << VowelCount( theString )
		 << " vowels." << endl;

	return( 0 );
}


////////////////////////////////////////////////////////
//
//	Returns the number of vowels contained in the
//	given null-terminated character string.  Y's
//	are not considered vowels for this function.
//
////////////////////////////////////////////////////////
 
int VowelCount( char *str )
{
	int		count = 0;

	for( int i=0; str[i] != '\0'; i++ )
	{
		if( str[i] == 'a'  ||  str[i] == 'A'
			||  str[i] == 'e'  ||  str[i] == 'E'
			||  str[i] == 'i'  ||  str[i] == 'I'
			||  str[i] == 'o'  ||  str[i] == 'O'
			||  str[i] == 'u'  ||  str[i] == 'U' )
		{
			count = count + 1;
		}
	}
	
	return( count );
}