Arguments: stream
Returns the device (class) of stream. Similar to device in most cases. Use of this function is deprecated. type-of should be used instead. (Just as the device to make-window is deprecated in favor of the class.)
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
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Created 2000.10.5.