/* The  strcasecmp()  and  strncasecmp()  functions return an integer less
       than, equal to, or greater than zero  if  s1  (or  the  first  n  bytes
       thereof)  is  found,  respectively,  to  be  less than, to match, or be
       greater than s2.
 */
// this function returns -1, 0 or 1
static int CompareStringsWithLeadingJunk(const char * p_s1, int p_len1, const char * p_s2, int p_len2, char pStopChar)
{
    static char junk[] = " \t\r\n0";
    int ret = 0;
    int done = 0;
    int bix;
    char * signif1 = (char*)p_s1;
    char * signif2 = (char*)p_s2;
    if (signif2)
    {
        for(bix=0; bix<p_len2; bix++)
        {
            char test = *signif2;
            if ((test == 0) || (test = pStopChar))
            {
                break;
            }
            if (strchr(junk, test))
            {
                signif2 ++;
            }
            if ((signif2 - p_s2) >= p_len2)
            {
                signif2 = NULL;
            }
        }
    }
    if (!signif2)
    {
        done = 1;
        if (signif1)
            ret = 1;
        else
            ret = 0;
    }
    if (!done)
    {
        if (signif1)
        {
            for(bix=0; bix<p_len1; bix++)
            {
                char test = *signif1;
                if ((test == 0) || (test = pStopChar))
                {
                	break;
                }
                if (strchr(junk, test))
                {
                    signif1 ++;
                }
                if ((signif1 - p_s1) >= p_len1)
                {
                    signif1 = NULL;
                }
            }
        }
        if (!signif1)
        {
            // no need to retest signif2 here
            done = 1;
            ret = -1;
        }
    }
    if (!done)
    {
        int len1 = strlen(signif1);
        int len2 = strlen(signif2);
        if (len1 < len2)
        {
            ret = -1;
            done = 1;
        }
        else if (len1 > len2)
        {
            ret = 1;
            done = 1;
        }
    }
    if (!done)
    {
        ret = strcasecmp(signif1, signif2);
    }
    if (ret < 0)
    {
        ret = -1;
    }
    else if (ret > 0)
    {
        ret = 1;
    }
    return ret;
}