char	*ft_strcapitalize(char *str)
{
	unsigned int	i;

	if (str[0] != '\0' && str[0] >= 'a' && str[0] <= 'z')
		str[0] -= 32;
	i = 1;
	while (str[i] != '\0')
	{
		if (((str[i] >= 'a' && str[i] <= 'z') ||
				(str[i] >= 'A' && str[i] <= 'Z')) &&
				(str[i - 1] < '0' ||
				(str[i - 1] > '9' && str[i - 1] < 'A') ||
				(str[i - 1] > 'Z' && str[i - 1] < 'a') ||
				str[i - 1] > 'z'))
		{
			if (str[i] >= 'a' && str[i] <= 'z')
				str[i] -= 32;
		}
		else if (str[i] >= 'A' && str[i] <= 'Z')
			str[i] += 32;
		++i;
	}
	return (str);
}