volume_sequence_number 74 isofs/cd9660/iso.h char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ volume_sequence_number 117 isofs/cd9660/iso.h char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ volume_sequence_number 151 isofs/cd9660/iso.h char volume_sequence_number [ISODCL (29, 32)]; /* 723 */