int number_of_ones(char *character)
	{
	char count;
	int mask[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
	int i;

	count = 0;
	for (i=0; i<8; i++)
		{
		if (*character&mask[i] != 0)
			{
			count++;
			}
		}
	*character = count;
	if ( (count & 1) == 0)
		{
		return(0);
		}
	else
		{
		return(1);
		}
	}