150 lines
4.2 KiB
Groff
150 lines
4.2 KiB
Groff
'\" t
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.\" Title: libnutclient_variables
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.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
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.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
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.\" Date: 04/26/2022
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.\" Manual: NUT Manual
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.\" Source: Network UPS Tools 2.8.0
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.\" Language: English
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.\"
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.TH "LIBNUTCLIENT_VARIABL" "3" "04/26/2022" "Network UPS Tools 2\&.8\&.0" "NUT Manual"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" -----------------------------------------------------------------
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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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
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.SH "SYNOPSIS"
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.sp
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.nf
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#include <nutclient\&.h>
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.fi
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.sp
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.nf
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typedef void* NUTCLIENT_t;
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.fi
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.sp
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.nf
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typedef char** strarr;
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.fi
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.sp
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.nf
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strarr nutclient_get_device_variables(NUTCLIENT_t client,
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const char* dev);
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.fi
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.sp
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.nf
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strarr nutclient_get_device_rw_variables(NUTCLIENT_t client,
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const char* dev);
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.fi
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.sp
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.nf
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int nutclient_has_device_variable(NUTCLIENT_t client,
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const char* dev, const char* var);
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.fi
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.sp
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.nf
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char* nutclient_get_device_variable_description(NUTCLIENT_t client,
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const char* dev, const char* var);
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.fi
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.sp
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.nf
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strarr nutclient_get_device_variable_values(NUTCLIENT_t client,
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const char* dev, const char* var);
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.fi
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.sp
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.nf
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void nutclient_set_device_variable_value(NUTCLIENT_t client,
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const char* dev, const char* var, const char* value);
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.fi
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.sp
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.nf
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void nutclient_set_device_variable_values(NUTCLIENT_t client,
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const char* dev, const char* var, const strarr values);
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.fi
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.SH "DESCRIPTION"
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.sp
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These functions allow to manage variables of devices\&.
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.sp
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The \fBnutclient_get_device_variables()\fR function retrieves the list of variables names for a device\&. The returned strarr must be freed by \fIstrarr_free\fR\&.
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.sp
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The \fBnutclient_get_device_rw_variables\fR function retrieves the list of read\-write variables names for a device\&. The returned strarr must be freed by \fIstrarr_free\fR\&.
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.sp
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The \fBnutclient_has_device_variable\fR function tests if the specified variable is supported by the device\&. Return 1 is supported and 0 if not\&.
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.sp
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The \fBnutclient_get_device_variable_description\fR function retrieves the variable description, if any\&. The returned string must be freed\&.
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.sp
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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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.sp
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The \fBnutclient_set_device_variable_value\fR intends to set the value of the specified variable\&.
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.sp
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The \fBnutclient_set_device_variable_values\fR intends to set multiple values of the specified variable\&.
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.sp
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Common arguments:
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fIdev\fR
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is the device name\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fIvar\fR
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is the variable name\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fIvalue\fR
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is the variable value\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fIvalues\fR
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is the variable array of values\&.
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.RE
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.SH "SEE ALSO"
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.sp
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\fBlibnutclient\fR(3) \fBlibnutclient_devices\fR(3) \fBlibnutclient_general\fR(3)
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