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RLE_RAW_ALLOC(3)					      RLE_RAW_ALLOC(3)

NAME
       rle_raw_alloc - Allocate memory for rle_getraw or rle_putraw.
       rle_raw_free - free memory allocated by rle_raw_alloc.

SYNOPSIS
       #include <rle.h>
       #include <rle_raw.h>

       rle_raw_alloc( the_hdr, scanp, nrawp )
       rle_hdr * the_hdr;
       rle_op *** scanp;
       int ** nrawp;

       rle_raw_free( the_hdr, scanp, nrawp )
       rle_hdr * the_hdr;
       rle_op ** scanp;
       int * nrawp;

DESCRIPTION
       The  function  rle_raw_alloc  is provided to make it easier to allocate
       storage for use by the RLE "raw" functions.  It	examines  the  the_hdr
       structure provided and return (via its other arguments) newly allocated
       space suitable for reading from or writing to an RLE file described  by
       the   the_hdr   structure.   Rle_raw_alloc  allocates  (the_hdr→xmax  -
       the_hdr→xmin + 1) elements per channel, which is more than should  ever
       be needed for a valid RLE file.

       Rle_raw_free   should   be   used   to	free   memory	allocated   by
       rle_raw_alloc(3).  The arguments are pointers to the allocated storage.
       This  is	 distinct  from	 rle_freeraw(3), which only frees pixel arrays
       referenced by individual rle_op structures,  while  rle_raw_free	 frees
       the  storage  consumed by the arrays of pointers and rle_op structures.
       In fact, rle_freeraw should be called before calling rle_raw_free.

SEE ALSO
       rle_hdr(3), rle_op(3), rle_putraw(3), rle_getraw(3), rle_freeraw(3),
       librle(3), RLE(5).

AUTHOR
       Spencer W. Thomas
       University of Utah

BUGS
       The  naming  confusion between rle_freeraw and rle_raw_free is unfortu‐
       nate.

4th Berkeley Distribution	    2/2/87		      RLE_RAW_ALLOC(3)
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