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[[!meta copyright="Copyright © 1994, 1995, 1996, 1997, 1998, 1999, 2002, 2009
Free Software Foundation, Inc."]]

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[[!meta title="file_set_size"]]

    routine file_set_size (
    	trunc_file: file_t;
    	RPT
    	new_size: loff_t);

Change the size of the file.  If the size increases, new blocks are
zero-filled.  After successful return, it is safe to reference mapped areas of
the file up to `new_size`.