text: #ifndef H_SUNR_DEF
  #define H_SUNR_DEF
  
  struct rasterfile
  {
      int32            ras_magic;	/* magic number */
      int32            ras_width;	/* width (pixels) of image */
      int32            ras_height;	/* height (pixels) of image */
      int32            ras_depth;	/* depth (1, 8, or 24 bits) of pixel */
      int32            ras_length;	/* length (bytes) of image */
      int32            ras_type;	/* type of file; see RT_* below */
      int32            ras_maptype;/* type of colormap; see RMT_* below */
      int32            ras_maplength;	/* length (bytes) of following map */
      /* color map follows for ras_maplength bytes, followed by image */
  };
  #define	RAS_MAGIC	0x59a66a95
  
  /* Sun supported ras_type's */
  #define RT_OLD		0	/* Raw pixrect image in 68000 byte order */
  #define RT_STANDARD	1	/* Raw pixrect image in 68000 byte order */
  #define RT_BYTE_ENCODED	2	/* Run-length compression of bytes */
  #define RT_FORMAT_RGB	3	/* XRGB or RGB instead of XBGR or BGR */
  #define RT_FORMAT_TIFF	4	/* tiff <-> standard rasterfile */
  #define RT_FORMAT_IFF	5	/* iff (TAAC format) <-> standard rasterfile */
  #define RT_EXPERIMENTAL 0xffff	/* Reserved for testing */
  
  /* Sun registered ras_maptype's */
  #define RMT_RAW		2
  /* Sun supported ras_maptype's */
  #define RMT_NONE	0	/* ras_maplength is expected to be 0 */
  #define RMT_EQUAL_RGB	1	/* red[ras_maplength/3],green[],blue[] */
  
  /*
   * NOTES: Each line of the image is rounded out to a multiple of 16 bits.
   * This corresponds to the rounding convention used by the memory pixrect
   * package (/usr/include/pixrect/memvar.h) of the SunWindows system. The
   * ras_encoding field (always set to 0 by Sun's supported software) was
   * renamed to ras_length in release 2.0.  As a result, rasterfiles of type 0
   * generated by the old software claim to have 0 length; for compatibility,
   * code reading rasterfiles must be prepared to compute the true length from
   * the width, height, and depth fields.
   */
  #endif				/* !H_SUNR_DEF */
  