ref: 332f070e5a51e5fcc1f2f17f15f67aa98a01b5f4 dir: /sys/src/cmd/fossil/flfmt9660.h/
void iso9660init(int fd, Header *h, char*, int); void iso9660labels(Disk*, uchar*, void(*write)(int, u32int)); void iso9660copy(Fs*);