Function cdio_is_tocfile 

pub unsafe extern "C" fn cdio_is_tocfile(
    psz_toc: *const c_char,
) -> bool

Determine if psz_toc is a TOC file for a cdrdao CD disc image.

@param psz_toc location of presumed TOC image file. @return true if toc_name is a cdrdao TOC file or false if not a TOC file.