utf8_strncasecmp
return utf8_strncasecmp(dentry->d_sb->s_encoding, name, &qstr);
res = utf8_strncasecmp(um, name, &dirent);
cmp = utf8_strncasecmp(buf->um, &q_buf, &q_name);
KUNIT_EXPECT_TRUE_MSG(test, utf8_strncasecmp(um, &s1, &s2) == 0,
EXPORT_SYMBOL(utf8_strncasecmp);
int utf8_strncasecmp(const struct unicode_map *um,