1 .\" $NetBSD: ptsname.3,v 1.5 2008/04/30 13:10:51 martin Exp $
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7 .\" by Christos Zoulas.
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35 .Nd get the pathname of the slave pseudo-terminal device
41 .Fn ptsname "int masterfd"
45 function returns the pathname of the slave pseudo-terminal device
46 that corresponds to the master pseudo-terminal device associated with
50 function is not reentrant or thread-safe.
54 returns a pointer to a nul-terminated string containing the pathname
55 of the slave pseudo-terminal device.
62 is set to indicate the error.
66 function will fail if:
69 the corresponding pseudo-terminal device could not be accessed.
72 is not a valid descriptor.
75 is not associated with a master pseudo-terminal device.
85 function is equivalent to:
88 return ioctl(masterfd, TIOCPTSNAME, \*[Am]pm) == -1 ? NULL : pm.ps;
100 Its first release was in