'\" t .\" Title: upscli_fd .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.76.1 .\" Date: 09/13/2013 .\" Manual: NUT Manual .\" Source: Network UPS Tools 2.7.1-pre1 .\" Language: English .\" .TH "UPSCLI_FD" "3" "09/13/2013" "Network UPS Tools 2\&.7\&.1\-p" "NUT Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" upscli_fd \- Get file descriptor for connection .SH "SYNOPSIS" .sp .nf #include .fi .sp .nf int upscli_fd(UPSCONN_t *ups); .fi .SH "DESCRIPTION" .sp The \fBupscli_fd()\fR function takes the pointer \fIups\fR to a UPSCONN_t state structure and returns the value of the file descriptor for that connection, if any\&. .sp This may be useful for determining if the connection to \fBupsd\fR(8) has been lost\&. .SH "RETURN VALUE" .sp The \fBupscli_fd()\fR function returns the file descriptor, which may be any non\-negative number\&. It returns \-1 if an error occurs\&. .SH "SEE ALSO" .sp \fBupscli_connect\fR(3), \fBupscli_strerror\fR(3), \fBupscli_upserror\fR(3)