'\" te
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.TH HTABLE 1M "Sep 14, 1992"
.SH NAME
htable \- convert DoD Internet format host table
.SH SYNOPSIS
.LP
.nf
\fB/usr/sbin/htable\fR \fIfilename\fR
.fi

.SH DESCRIPTION
.sp
.LP
\fBhtable\fR converts a host table in the format specified by \fBRFC\fR 952 to
the format used by the network library routines.  Three files are created as a
result of running \fBhtable\fR: \fBhosts\fR, \fBnetworks\fR, and
\fBgateways\fR. The \fBhosts\fR file is used by the \fBgethostbyname\fR(3NSL)
routines in mapping host names to addresses.  The \fBnetworks\fR file is used
by the \fBgetnetbyname\fR(3SOCKET) routines in mapping network names to
numbers. The \fBgateways\fR file is used by the routing daemon to identify
"passive" Internet gateways.
.sp
.LP
If any of the files \fBlocalhosts\fR, \fBlocalnetworks\fR, or
\fBlocalgateways\fR are present in the current directory, the file's contents
is prepended to the output file without interpretation.  This allows sites to
maintain local aliases and entries which are not normally present in the master
database.
.sp
.LP
\fBhtable\fR is best used in conjunction with the \fBgettable\fR(1M) program
which retrieves the DoD Internet host table from a host.
.SH FILES
.sp
.ne 2
.na
\fB\fBlocalhosts\fR\fR
.ad
.RS 17n

.RE

.sp
.ne 2
.na
\fB\fBlocalnetworks\fR\fR
.ad
.RS 17n

.RE

.sp
.ne 2
.na
\fB\fBlocalgateways\fR\fR
.ad
.RS 17n

.RE

.SH SEE ALSO
.sp
.LP
\fBgettable\fR(1M), \fBgethostbyname\fR(3NSL), \fBgetnetbyname\fR(3SOCKET),
\fBattributes\fR(5) Harrenstien, Ken, Mary Stahl, and Elizabeth Feinler, \fIDoD
Internet Host Table Specification\fR, \fBRFC\fR 952, Network Information
Center, \fBSRI\fR International, Menlo Park, California, October 1985.
.SH NOTES
.sp
.LP
\fBhtable\fR does not properly calculate the \fBgateways\fR file.