Function cdio_open_am_linux 

pub unsafe extern "C" fn cdio_open_am_linux(
    psz_source: *const c_char,
    access_mode: *const c_char,
) -> *mut CdIo_t

Set up CD-ROM for reading using the GNU/Linux driver. The device_name is the some sort of device name.

@return the cdio object for subsequent operations. NULL on error or there is no GNU/Linux driver.