1TTYNAM(3F)                                                          TTYNAM(3F)
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NAME

6       ttynam, isatty - find name of a terminal port
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SYNOPSIS

9       character*(*) function ttynam (lunit)
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11       logical function isatty (lunit)
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DESCRIPTION

14       Ttynam  returns a blank padded path name of the terminal device associ‐
15       ated with logical unit lunit.
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17       Isatty returns .true.  if lunit is associated with a  terminal  device,
18       .false.  otherwise.
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FILES

21       /dev/∗
22       /usr/lib/libU77.a
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DIAGNOSTICS

25       Ttynam  returns an empty string (all blanks) if lunit is not associated
26       with a terminal device in directory `/dev'.
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304.2 Berkeley Distribution        May 15, 1985                       TTYNAM(3F)