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>TCP/IP Library Reference</TITLE
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TITLE="TCP/IP Stack Support for eCos"
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>eCos Reference Manual</TH
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><DIV
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CLASS="CHAPTER"
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><H1
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><A
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NAME="TCPIP-LIBRARY-REFERENCE">Chapter 38. TCP/IP Library Reference</H1
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><DIV
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CLASS="TOC"
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><DL
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><DT
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><B
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>Table of Contents</B
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></DT
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><DT
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><A
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HREF="tcpip-library-reference.html#NET-COMMON-TCPIP-MANPAGES-GETDOMAINNAME"
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>getdomainname</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-gethostname.html"
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>gethostname</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-byteorder.html"
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>byteorder</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-ethers.html"
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>ethers</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getaddrinfo.html"
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>getaddrinfo</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-gethostbyname.html"
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>gethostbyname</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getifaddrs.html"
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>getifaddrs</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getnameinfo.html"
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>getnameinfo</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getnetent.html"
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>getnetent</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getprotoent.html"
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>getprotoent</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getrrsetbyname.html"
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>getrrsetbyname</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getservent.html"
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>getservent</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-if-nametoindex.html"
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>if_nametoindex</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-inet.html"
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>inet</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-inet6-option-space.html"
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>inet6_option_space</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-inet6-rthdr-space.html"
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>inet6_rthdr_space</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-inet-net.html"
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>inet_net</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-ipx.html"
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>ipx</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-iso-addr.html"
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>iso_addr</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-link-addr.html"
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>link_addr</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-net-addrcmp.html"
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>net_addrcmp</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-ns.html"
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>ns</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-resolver.html"
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>resolver</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-accept.html"
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>accept</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-bind.html"
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>bind</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-connect.html"
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>connect</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getpeername.html"
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>getpeername</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getsockname.html"
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>getsockname</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-getsockopt.html"
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>getsockopt</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-ioctl.html"
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>ioctl</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-poll.html"
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>poll</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-select.html"
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>select</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-send.html"
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>send</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-shutdown.html"
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>shutdown</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-socket.html"
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>socket</A
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></DT
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><DT
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><A
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HREF="net-common-tcpip-manpages-socketpair.html"
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>socketpair</A
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></DT
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></DL
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></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="NET-COMMON-TCPIP-MANPAGES-GETDOMAINNAME">getdomainname</H1
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BORDER="5"
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><TR
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><PRE
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CLASS="SCREEN"
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>GETDOMAINNAME(3)        System Library Functions Manual       GETDOMAINNAME(3)
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NAME
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     getdomainname, setdomainname - get/set YP domain name of current host
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SYNOPSIS
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     #include &lt;unistd.h&#62;
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     int
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     getdomainname(char *name, size_t namelen);
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     int
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     setdomainname(const char *name, size_t namelen);
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DESCRIPTION
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     The getdomainname() function returns the YP domain name for the current
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     processor, as previously set by setdomainname().  The parameter namelen
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     specifies the size of the name array.  If insufficient space is provided,
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     the returned name is truncated.  The returned name is always null termi-
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     nated.
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     setdomainname() sets the domain name of the host machine to be name,
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     which has length namelen.  This call is restricted to the superuser and
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     is normally used only when the system is bootstrapped.
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RETURN VALUES
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     If the call succeeds a value of 0 is returned.  If the call fails, a
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     value of -1 is returned and an error code is placed in the global vari-
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     able errno.
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ERRORS
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     The following errors may be returned by these calls:
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     [EFAULT]           The name or namelen parameter gave an invalid address.
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     [EPERM]            The caller tried to set the domain name and was not
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                        the superuser.
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SEE ALSO
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     domainname(1), gethostid(3), gethostname(3), sysctl(3), sysctl(8), yp(8)
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BUGS
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     Domain names are limited to MAXHOSTNAMELEN (from &lt;sys/param.h&#62;) charac-
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     ters, currently 256.  This includes the terminating NUL character.
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     If the buffer passed to getdomainname() is too small, other operating
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     systems may not guarantee termination with NUL.
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HISTORY
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     The getdomainname function call appeared in SunOS 3.x.
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BSD                               May 6, 1994                              BSD
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    </PRE
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>gethostname</TD
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