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1.1 ! root 1: .TH TTYNAM 3F "13 June 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: ttynam, isatty \- find name of a terminal port ! 5: .SH SYNOPSIS ! 6: .B character*(*) function ttynam (lunit) ! 7: .sp 1 ! 8: .B logical function isatty (lunit) ! 9: .SH DESCRIPTION ! 10: .I Ttynam ! 11: returns a blank padded path name ! 12: of the terminal device associated with logical unit ! 13: .IR lunit . ! 14: .PP ! 15: .I Isatty ! 16: returns ! 17: .B .true. ! 18: if ! 19: .I lunit ! 20: is associated with a terminal device, ! 21: .B .false. ! 22: otherwise. ! 23: .SH FILES ! 24: /dev/\(** ! 25: .br ! 26: .ie \nM /usr/ucb/lib/libU77.a ! 27: .el /usr/lib/libU77.a ! 28: .SH DIAGNOSTICS ! 29: .I Ttynam ! 30: returns an empty string (all blanks) if ! 31: .I lunit ! 32: is not associated with a terminal device in directory `/dev'.
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