here - OSTA - Optical Storage Technology Association

3. System Dependent Requirements
3.1 Part 1 - General
3.1.1 Timestamp
struct timestamp { /* ECMA 167 1/7.3 */
Uint16 TypeAndTimezone;
Uint16Int16 Year;
Uint8
Month;
Uint8
Day;
Uint8
Hour;
Uint8
Minute;
Uint8
Second;
Uint8
Centiseconds;
Uint8
HundredsofMicroseconds;
Uint8
Microseconds;
}
3.1.1.1 Uint8 Centiseconds;
For operating systems that do not support the concept of
centiseconds the implementation shall ignore this field.
For operating systems that do not support the concept of
centiseconds the implementation shall set this field to ZERO.
3.1.1.2 Uint8 HundredsofMicroseconds;
For operating systems that do not support the concept of hundreds
of Microseconds the implementation shall ignore this field.
For operating systems that do not support the concept of a
hundreds of Microseconds the implementation shall set this field to
ZERO.
3.1.1.3 Uint8 Microseconds;
For operating systems that do not support the concept of
microseconds the implementation shall ignore this field.
For operating systems that do not support the concept of
microseconds the implementation shall set this field to ZERO.
UDF 2.01
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March50 April