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Text File  |  1998-10-30  |  5.1 KB  |  67 lines
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  4. ssssttttrrrreeeeaaaammmmttttaaaabbbb((((DDDD4444))))                                                    ssssttttrrrreeeeaaaammmmttttaaaabbbb((((DDDD4444))))
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  8. NNNNAAAAMMMMEEEE
  9.      _ssss_tttt_rrrr_eeee_aaaa_mmmm_tttt_aaaa_bbbb - STREAMS driver and module declaration structure
  10.  
  11. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  12.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_ssss_tttt_rrrr_eeee_aaaa_mmmm_...._hhhh_>>>>
  13.      _####_iiii_nnnn_cccc_llll_uuuu_dddd_eeee _<<<<_ssss_yyyy_ssss_////_dddd_dddd_iiii_...._hhhh_>>>>
  14.  
  15. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  16.      The _ssss_tttt_rrrr_eeee_aaaa_mmmm_tttt_aaaa_bbbb structure is made up of pointers to _qqqq_iiii_nnnn_iiii_tttt structures for
  17.      both the read and write queue portions of each module or driver.
  18.      (Multiplexing drivers require both upper and lower _qqqq_iiii_nnnn_iiii_tttt structures.)
  19.      The _qqqq_iiii_nnnn_iiii_tttt structure contains the entry points through which the module or
  20.      driver routines are called.
  21.  
  22. UUUUSSSSAAAAGGGGEEEE
  23.      Each STREAMS driver or module must have a _ssss_tttt_rrrr_eeee_aaaa_mmmm_tttt_aaaa_bbbb structure.  The
  24.      _ssss_tttt_rrrr_eeee_aaaa_mmmm_tttt_aaaa_bbbb structure must be named _p_r_e_f_i_x_iiii_nnnn_ffff_oooo, where _p_r_e_f_i_x is the driver
  25.      prefix.
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  27.    SSSSttttrrrruuuuccccttttuuuurrrreeee DDDDeeeeffffiiiinnnniiiittttiiiioooonnnnssss
  28.      The _ssss_tttt_rrrr_eeee_aaaa_mmmm_tttt_aaaa_bbbb structure contains the following members:
  29.      _ssss_tttt_rrrr_uuuu_cccc_tttt _qqqq_iiii_nnnn_iiii_tttt  _****_ssss_tttt______rrrr_dddd_iiii_nnnn_iiii_tttt_;;;;    _////_**** _rrrr_eeee_aaaa_dddd _qqqq_uuuu_eeee_uuuu_eeee _****_////
  30.      _ssss_tttt_rrrr_uuuu_cccc_tttt _qqqq_iiii_nnnn_iiii_tttt  _****_ssss_tttt______wwww_rrrr_iiii_nnnn_iiii_tttt_;;;;    _////_**** _wwww_rrrr_iiii_tttt_eeee _qqqq_uuuu_eeee_uuuu_eeee _****_////
  31.      _ssss_tttt_rrrr_uuuu_cccc_tttt _qqqq_iiii_nnnn_iiii_tttt  _****_ssss_tttt______mmmm_uuuu_xxxx_rrrr_iiii_nnnn_iiii_tttt_;;;;  _////_**** _llll_oooo_wwww_eeee_rrrr _rrrr_eeee_aaaa_dddd _qqqq_uuuu_eeee_uuuu_eeee_****_////
  32.      _ssss_tttt_rrrr_uuuu_cccc_tttt _qqqq_iiii_nnnn_iiii_tttt  _****_ssss_tttt______mmmm_uuuu_xxxx_wwww_iiii_nnnn_iiii_tttt_;;;;  _////_**** _llll_oooo_wwww_eeee_rrrr _wwww_rrrr_iiii_tttt_eeee _qqqq_uuuu_eeee_uuuu_eeee_****_////
  33.  
  34.      The _ssss_tttt______rrrr_dddd_iiii_nnnn_iiii_tttt field contains a pointer to the read-side _qqqq_iiii_nnnn_iiii_tttt structure.
  35.      For a multiplexing driver, this is the _qqqq_iiii_nnnn_iiii_tttt structure for the upper read
  36.      side.
  37.  
  38.      The _ssss_tttt______wwww_rrrr_iiii_nnnn_iiii_tttt field contains a pointer to the write-side _qqqq_iiii_nnnn_iiii_tttt structure.
  39.      For a multiplexing driver, this is the _qqqq_iiii_nnnn_iiii_tttt structure for the upper
  40.      write side.
  41.  
  42.      The _ssss_tttt______mmmm_uuuu_xxxx_rrrr_iiii_nnnn_iiii_tttt field contains a pointer to the lower read-side _qqqq_iiii_nnnn_iiii_tttt
  43.      structure for multiplexing drivers.  For modules and non-multiplexing
  44.      drivers, this field should be set to _NNNN_UUUU_LLLL_LLLL.
  45.  
  46.      The _ssss_tttt______mmmm_uuuu_xxxx_wwww_iiii_nnnn_iiii_tttt field contains a pointer to the lower write-side _qqqq_iiii_nnnn_iiii_tttt
  47.      structure for multiplexing drivers.  For modules and non-multiplexing
  48.      drivers, this field should be set to _NNNN_UUUU_LLLL_LLLL.
  49.  
  50. RRRREEEEFFFFEEEERRRREEEENNNNCCCCEEEESSSS
  51.      _qqqq_iiii_nnnn_iiii_tttt(D4)
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  63.                                                                         PPPPaaaaggggeeee 1111
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