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32 .\" @(#)ttyname.3 8.1 (Berkeley) 6/4/93
33 .\" $FreeBSD: src/lib/libc/gen/ttyname.3,v 1.5.2.3 2001/12/14 18:33:51 ru Exp $
34 .\" $DragonFly: src/lib/libcr/gen/Attic/ttyname.3,v 1.2 2003/06/17 04:26:42 dillon Exp $
43 .Nd get name of associated terminal (tty) from file descriptor
55 These functions operate on the system file descriptors for terminal
57 These descriptors are not related to the standard
60 typedef, but refer to the special device files found in
64 and for which an entry exists
65 in the initialization file
73 determines if the file descriptor
81 gets the related device name of
82 a file descriptor for which
89 fetches the current process' control terminal number from the
96 returns the null terminated name if the device is found and
106 returns the unit number of the device file if found; otherwise
107 the value zero is returned.
109 .Bl -tag -width /etc/ttys -compact
128 function leaves its result in an internal static object and returns
129 a pointer to that object.
132 will modify the same object.