>>>>> Glynn Clements <[EMAIL PROTECTED]> writes:

[...]

 >> It seems that you've missed my point.  I wish to process the whole
 >> raster with G_get_raster_row () once, and then another time from the
 >> start.  The only way to do it that I know is to close and re-open
 >> it, which is ``a different issue'', indeed.

 > No, there's no need to re-open it (or otherwise "rewind" it).

 > G_get_raster_row() takes the row number as an argument; nothing
 > requires that you read the rows sequentially, or that you read each
 > row only once.

        Indeed.

        What about a dup ()?  The intent is to have two parts of code
        run in a quite intertwined manner.  It's not known which part
        will finish earlier, and I had in mind dup ()-ing the
        descriptor, so that each part could close it on its own when
        finished.

[...]

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