Function xmlStrncasecmp

ThirdParty/libxml2/vtklibxml2/xmlstring.c:309–322

 */

int
xmlStrncasecmp(const xmlChar *str1, const xmlChar *str2, int len) {
    register int tmp;

    if (len <= 0) return(0);
    if (str1 == str2) return(0);
    if (str1 == NULL) return(-1);
    if (str2 == NULL) return(1);
    do {
        tmp = casemap[*str1++] - casemap[*str2];
        if (tmp != 0 || --len == 0) return(tmp);
    } while (*str2++ != 0);
    return 0;
}

/**
 * xmlStrchr: