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gethostname(3): Correct the reference of the undefined value HOST_NAME_MAX

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PR:		143472
Submitted by:	bcran@
Reported by:	Jeremy Huddleston <jeremyhu at apple dot com>
Reviewed by:	bcr (mentor)
Approved by:	bcr (mentor)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25647
This commit is contained in:
Gordon Bergling 2020-07-13 15:17:29 +00:00
parent aeeff830b9
commit e4d47f45eb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363147
1 changed files with 4 additions and 4 deletions
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8
lib/libc/gen/gethostname.3
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@ -28,7 +28,7 @@
.\" @(#)gethostname.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd August 18, 2003
.Dd July 13, 2020
.Dt GETHOSTNAME 3
.Os
.Sh NAME
@ -68,9 +68,9 @@ which has length
This call is restricted to the super-user and
is normally used only when the system is bootstrapped.
.Pp
Host names are limited to
.Brq Dv HOST_NAME_MAX
characters, not including the trailing null, currently 255.
Applications should use
.Fn sysconf _SC_HOST_NAME_MAX
to find the maximum length of a host name (not including the terminating null).
.Sh RETURN VALUES
.Rv -std
.Sh ERRORS