static void extra_tell_used_size ( struct ctl_extr_rec * ctl , int size ) {
 struct isoent * isoent ;
 struct extr_rec * rec ;
 if ( ctl -> use_extr ) {
 isoent = ctl -> isoent -> parent ;
 rec = isoent -> extr_rec_list . current ;
 if ( rec != NULL ) rec -> offset += size ;
 }
 ctl -> cur_len += size ;
 }
static void extra_tell_used_size ( struct ctl_extr_rec * ctl , int size ) {
 struct isoent * isoent ;
 struct extr_rec * rec ;
 if ( ctl -> use_extr ) {
 isoent = ctl -> isoent -> parent ;
 rec = isoent -> extr_rec_list . current ;
 if ( rec != NULL ) rec -> offset += size ;
 }
 ctl -> cur_len += size ;
 }