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'\" t
.\" Title: upscli_upserror
.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 08/08/2025
.\" Manual: NUT Manual
.\" Source: Network UPS Tools 2.8.4
.\" Language: English
.\"
.TH "UPSCLI_UPSERROR" "3" "08/08/2025" "Network UPS Tools 2\&.8\&.4" "NUT Manual"
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.SH "NAME"
upscli_upserror \- Get current error number for connection
.SH "SYNOPSIS"
.sp
.nf
#include <upsclient\&.h>
int upscli_upserror(UPSCONN_t *ups);
.fi
.SH "DESCRIPTION"
.sp
The \fBupscli_upserror\fR() function takes the pointer \fIups\fR to a UPSCONN_t state structure and returns the value of the internal error number, if any\&.
.sp
This is typically used to check for certain error values like UPSCLI_ERR_UNKCOMMAND\&. That specific error can be used for detecting older versions of \fBupsd\fR(8) which might not support a given command\&.
.sp
Some error messages have additional meanings, so you should use \fBupscli_strerror\fR(3) to obtain readable error messages\&.
.SH "RETURN VALUE"
.sp
The \fBupscli_upserror\fR() function returns one of the UPSCLI_ERR_* values from upsclient\&.h, or \fI0\fR if no error has occurred\&.
.SH "SEE ALSO"
.sp
\fBupscli_readline\fR(3), \fBupscli_sendline\fR(3), \fBupscli_strerror\fR(3)
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