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.\"     Title: libnutclient_variables
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: 03/02/2016
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools 2.7.3.1
.\"  Language: English
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.TH "LIBNUTCLIENT_VARIABL" "3" "03/02/2016" "Network UPS Tools 2\&.7\&.3\&." "NUT Manual"
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.SH "NAME"
libnutclient_variables, nutclient_get_device_variables, nutclient_get_device_rw_variables, nutclient_has_device_variable, nutclient_get_device_variable_description, nutclient_get_device_variable_values, nutclient_set_device_variable_value, nutclient_set_device_variable_values \- Variable related functions in Network UPS Tools high\-level client access library
.SH "SYNOPSIS"
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#include <nutclient\&.h>
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typedef void* NUTCLIENT_t;
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strarr nutclient_get_device_variables(NUTCLIENT_t client, const char* dev);
strarr nutclient_get_device_rw_variables(NUTCLIENT_t client, const char* dev);
int nutclient_has_device_variable(NUTCLIENT_t client, const char* dev, const char* var);
char* nutclient_get_device_variable_description(NUTCLIENT_t client, const char* dev, const char* var);
strarr nutclient_get_device_variable_values(NUTCLIENT_t client, const char* dev, const char* var);
void nutclient_set_device_variable_value(NUTCLIENT_t client, const char* dev, const char* var, const char* value);
void nutclient_set_device_variable_values(NUTCLIENT_t client, const char* dev, const char* var, const strarr values);
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.SH "DESCRIPTION"
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These functions allow to manage variables of devices\&.
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The \fBnutclient_get_device_variables()\fR function retrieve the list of variables names for a device\&. The returned strarr must be freed by \fIstrarr_free\fR\&.
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The \fBnutclient_get_device_rw_variables\fR function retrieve the list of read\-write variables names for a device\&. The returned strarr must be freed by \fIstrarr_free\fR\&.
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The \fBnutclient_has_device_variable\fR function test if the specified variable is supported by the device\&. Return 1 is supported and 0 if not\&.
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The \fBnutclient_get_device_variable_description\fR function retrieve the variable description, if any\&. The resturned string must be freed\&.
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The \fBnutclient_get_device_variable_values\fR returns variable values (generally only one)\&. The returned strarr must be freed by \fIstrarr_free\fR\&.
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The \fBnutclient_set_device_variable_value\fR intend to set the value of the specified variable\&.
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The \fBnutclient_set_device_variable_values\fR intend to set multiple values of the specified variable\&.
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\fIdev\fR is the device name\&.
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\fIvar\fR is the variable name\&.
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\fIvalue\fR is the variable value\&.
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\fIvalues\fR is the variable array of values\&.
.SH "SEE ALSO"
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\fBlibnutclient\fR(3) \fBlibnutclient_devices\fR(3) \fBlibnutclient_general\fR(3)