0 if
an error occurred.
DataInputStream.readInt64
long readInt64(gio.cancellable.Cancellable cancellable = null)Reads a 64-bit/8-byte value from stream.
In order to get the correct byte order for this read operation, see gio.data_input_stream.DataInputStream.getByteOrder and gio.data_input_stream.DataInputStream.setByteOrder.
If cancellable is not null, then the operation can be cancelled by triggering the cancellable object from another thread. If the operation was cancelled, the error gio.types.IOErrorEnum.Cancelled will be returned.
Parameters
cancellable | optional #GCancellable object, null to ignore. |
Returns
a signed 64-bit/8-byte value read from stream or