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NAME="TCPIP-LIBRARY-REFERENCE">Chapter 38. TCP/IP Library Reference</H1
><DIV
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><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="tcpip-library-reference.html#NET-COMMON-TCPIP-MANPAGES-GETDOMAINNAME"
>getdomainname</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-gethostname.html"
>gethostname</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-byteorder.html"
>byteorder</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-ethers.html"
>ethers</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getaddrinfo.html"
>getaddrinfo</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-gethostbyname.html"
>gethostbyname</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getifaddrs.html"
>getifaddrs</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getnameinfo.html"
>getnameinfo</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getnetent.html"
>getnetent</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getprotoent.html"
>getprotoent</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getrrsetbyname.html"
>getrrsetbyname</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getservent.html"
>getservent</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-if-nametoindex.html"
>if_nametoindex</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-inet.html"
>inet</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-inet6-option-space.html"
>inet6_option_space</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-inet6-rthdr-space.html"
>inet6_rthdr_space</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-inet-net.html"
>inet_net</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-ipx.html"
>ipx</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-iso-addr.html"
>iso_addr</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-link-addr.html"
>link_addr</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-net-addrcmp.html"
>net_addrcmp</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-ns.html"
>ns</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-resolver.html"
>resolver</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-accept.html"
>accept</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-bind.html"
>bind</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-connect.html"
>connect</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getpeername.html"
>getpeername</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getsockname.html"
>getsockname</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-getsockopt.html"
>getsockopt</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-ioctl.html"
>ioctl</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-poll.html"
>poll</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-select.html"
>select</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-send.html"
>send</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-shutdown.html"
>shutdown</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-socket.html"
>socket</A
></DT
><DT
><A
HREF="net-common-tcpip-manpages-socketpair.html"
>socketpair</A
></DT
></DL
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="NET-COMMON-TCPIP-MANPAGES-GETDOMAINNAME">getdomainname</H1
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CLASS="SCREEN"
>GETDOMAINNAME(3)        System Library Functions Manual       GETDOMAINNAME(3)
 
NAME
     getdomainname, setdomainname - get/set YP domain name of current host
 
SYNOPSIS
     #include &lt;unistd.h&#62;
 
     int
     getdomainname(char *name, size_t namelen);
 
     int
     setdomainname(const char *name, size_t namelen);
 
DESCRIPTION
     The getdomainname() function returns the YP domain name for the current
     processor, as previously set by setdomainname().  The parameter namelen
     specifies the size of the name array.  If insufficient space is provided,
     the returned name is truncated.  The returned name is always null termi-
     nated.
 
     setdomainname() sets the domain name of the host machine to be name,
     which has length namelen.  This call is restricted to the superuser and
     is normally used only when the system is bootstrapped.
 
RETURN VALUES
     If the call succeeds a value of 0 is returned.  If the call fails, a
     value of -1 is returned and an error code is placed in the global vari-
     able errno.
 
ERRORS
     The following errors may be returned by these calls:
 
     [EFAULT]           The name or namelen parameter gave an invalid address.
 
     [EPERM]            The caller tried to set the domain name and was not
                        the superuser.
 
SEE ALSO
     domainname(1), gethostid(3), gethostname(3), sysctl(3), sysctl(8), yp(8)
 
BUGS
     Domain names are limited to MAXHOSTNAMELEN (from &lt;sys/param.h&#62;) charac-
     ters, currently 256.  This includes the terminating NUL character.
 
     If the buffer passed to getdomainname() is too small, other operating
     systems may not guarantee termination with NUL.
 
HISTORY
     The getdomainname function call appeared in SunOS 3.x.
 
BSD                               May 6, 1994                              BSD
    </PRE
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