Function xmlReaderNewFd 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlReaderNewFd(
    reader: *mut XmlTextReader,
    fd: c_int,
    URL: *const c_char,
    encoding: *const c_char,
    options: c_int,
) -> c_int

int xmlReaderNewFd(xmlTextReaderPtr reader, int fd, const char *URL, const char *encoding, int options).