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Annotation of coherent/a/usr/man/COHERENT/ct, revision 1.1.1.1

1.1       root        1: 
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                      3: ct                        Device Driver                        ct
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                      8: Controlling terminal driver
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                     11: For each process,  the controlling terminal driver /dev/tty is an
                     12: interface  to the appropriate  terminal driver.   COHERENT passes
                     13: any input-output call  (e.g.  cclloossee, iiooccttll, ooppeenn, rreeaadd, or wwrriittee)
                     14: on this special  file directly to the controlling terminal device
                     15: for the requesting process.
                     16: 
                     17: Normally, the controlling terminal is the default standard input,
                     18: output,  and  error device.   This  is not  the  case for  daemon
                     19: processes started by the initial process.
                     20: 
                     21: ***** Files *****
                     22: 
                     23: /dev/tty
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                     25: ***** See Also *****
                     26: 
                     27: device drivers, init
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                     29: ***** Diagnostics *****
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                     31: When a call finds no valid controlling terminal for a process, it
                     32: returns a value of -1 and sets errno to ENXIO.
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                     64: COHERENT Lexicon                                           Page 1
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