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/ IRIX Base Documentation 2002 November / SGI IRIX Base Documentation 2002 November.iso / usr / share / catman / p_man / cat3c / isastream.z / isastream
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Text File  |  2002-10-03  |  2.1 KB  |  66 lines
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  4. iiiissssaaaassssttttrrrreeeeaaaammmm((((3333CCCC))))                                                    iiiissssaaaassssttttrrrreeeeaaaammmm((((3333CCCC))))
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  8. NNNNAAAAMMMMEEEE
  9.      _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm - test a file descriptor
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  11. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  12.      ####iiiinnnncccclllluuuuddddeeee <<<<ssssyyyyssss////ssssttttrrrrooooppppttttssss....hhhh>>>>
  13.      _iiii_nnnn_tttt _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm_((((_iiii_nnnn_tttt _ffff_iiii_llll_dddd_eeee_ssss_))))_;;;;
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  15. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  16.      The function _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm() determines if a file descriptor represents a
  17.      STREAMS file.  _f_i_l_d_e_s refers to an open file.
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  19. RRRREEEETTTTUUUURRRRNNNN VVVVAAAALLLLUUUUEEEE
  20.      If successful, _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm() returns 1 if _f_i_l_d_e_s represents a STREAMS file,
  21.      and 0 if not.  On failure, _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm_((((_)))) returns -1 with _eeee_rrrr_rrrr_nnnn_oooo set to
  22.      indicate an error.
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  24. EEEERRRRRRRROOOORRRRSSSS
  25.      Under the following conditions, _iiii_ssss_aaaa_ssss_tttt_rrrr_eeee_aaaa_mmmm() fails and sets _eeee_rrrr_rrrr_nnnn_oooo to:
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  27.      _EEEE_BBBB_AAAA_DDDD_FFFF        _f_i_l_d_e_s is not a valid open file.
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  29. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  30.      streamio(7)
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  62.                                                                         PPPPaaaaggggeeee 1111
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