Function discid_sys::discid_get_freedb_id

pub unsafe extern "C" fn discid_get_freedb_id(d: *mut DiscId) -> *mut c_char

Return a FreeDB DiscID.

The returned string is only valid as long as the DiscId object exists.

@param d a DiscId object created by discid_new() @return a string containing a FreeDB DiscID