'\" t
.\"     Title: libnutclient_general
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 06/21/2026
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools 2.8.5
.\"  Language: English
.\"
.TH "LIBNUTCLIENT_GENERAL" "3" "06/21/2026" "Network UPS Tools 2\&.8\&.5" "NUT Manual"
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.SH "NAME"
libnutclient_general, nutclient_destroy, strarr_alloc, strarr_free \- General and utility functions in Network UPS Tools high\-level client access library
.SH "SYNOPSIS"
.sp
.nf
        #include <nutclient\&.h>

        typedef void* NUTCLIENT_t;

        void nutclient_destroy(NUTCLIENT_t client);

        typedef char** strarr;

        strarr strarr_alloc(unsigned short count);

        void strarr_free(strarr arr);
.fi
.SH "DESCRIPTION"
.sp
The \fBnutclient_destroy()\fR function destroys a \fINUTCLIENT_t\fR or derived (like \fINUTCLIENT_TCP_t\fR) connection object, and frees allocated memory\&.
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBstrarr\fR
type represents an array of C strings (array of char pointer)\&. The array must always be terminated by a NULL pointer\&.
.sp
Pointed strings must be allocated by
(x)calloc
or
(x)strdup\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBstrarr_alloc()\fR
function allocates a
\fIstrarr\fR
array with the specified number of (non\-initialized) string pointers\&.
.sp
Another additional pointer set to NULL is added at the end of the array\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBstrarr_free\fR
function frees a
\fIstrarr\fR
array\&. It also frees all pointed strings\&.
.RE
.sp
Common arguments:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fIdev\fR
is the device name\&.
.RE
.SH "SEE ALSO"
.sp
\fBlibnutclient\fR(3)