- (void) appendBytes:(CONST_APTR)bytes length:(ULONG)length

Appends bytes to the end of the data.

- (void) appendData:(OBData *)data

Appends the contents of another data object.

- (void) increaseLengthBy:(ULONG)delta

Increases the length of the data by the given amount.

- (APTR) mutableBytes

Returns a mutable pointer to the data’s bytes.

- (void) replaceBytesInRange:(OBRange)range withBytes:(CONST_APTR)bytes

Replaces bytes in a range with the given bytes.

- (void) replaceBytesInRange:(OBRange)range withBytes:(CONST_APTR)bytes length:(ULONG)bytesLength

Replaces bytes in a range with the given number of bytes.

- (void) resetBytesInRange:(OBRange)range

Resets bytes in the specified range.

- (void) setData:(OBData *)data

Replaces the contents of the data with another data object.

- (void) setLength:(ULONG)length

Sets the length of the data.