my_iconv_open(char_u *to, char_u *from)
{
    iconv_t	fd;
#define ICONV_TESTLEN 400
    char_u	tobuf[ICONV_TESTLEN];
    char	*p;
    size_t	tolen;
    static int	iconv_ok = -1;

    if (iconv_ok == FALSE)
	return (void *)-1;	// detected a broken iconv() previously

#ifdef DYNAMIC_ICONV
    // Check if the iconv.dll can be found.
    if (!iconv_enabled(TRUE))
	return (void *)-1;
#endif

    fd = iconv_open((char *)enc_skip(to), (char *)enc_skip(from));

    if (fd != (iconv_t)-1 && iconv_ok == -1)
    {
	/*
	 * Do a dummy iconv() call to check if it actually works.  There is a
	 * version of iconv() on Linux that is broken.  We can't ignore it,
	 * because it's wide-spread.  The symptoms are that after outputting
	 * the initial shift state the "to" pointer is NULL and conversion
	 * stops for no apparent reason after about 8160 characters.
	 */
	p = (char *)tobuf;
	tolen = ICONV_TESTLEN;
	(void)iconv(fd, NULL, NULL, &p, &tolen);
	if (p == NULL)
	{
	    iconv_ok = FALSE;
	    iconv_close(fd);
	    fd = (iconv_t)-1;
	}
	else
	    iconv_ok = TRUE;
    }

    return (void *)fd;
}
my_iconv_open(char_u *to, char_u *from)
{
    iconv_t	fd;
#define ICONV_TESTLEN 400
    char_u	tobuf[ICONV_TESTLEN];
    char	*p;
    size_t	tolen;
    static int	iconv_ok = -1;

    if (iconv_ok == FALSE)
	return (void *)-1;	 

#ifdef DYNAMIC_ICONV
     
    if (!iconv_enabled(TRUE))
	return (void *)-1;
#endif

    fd = iconv_open((char *)enc_skip(to), (char *)enc_skip(from));

    if (fd != (iconv_t)-1 && iconv_ok == -1)
    {
	 
	p = (char *)tobuf;
	tolen = ICONV_TESTLEN;
	(void)iconv(fd, NULL, NULL, &p, &tolen);
	if (p == NULL)
	{
	    iconv_ok = FALSE;
	    iconv_close(fd);
	    fd = (iconv_t)-1;
	}
	else
	    iconv_ok = TRUE;
    }

    return (void *)fd;
}