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.TH ACPI_AVAILABLE 1 "2006-01-03"
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.SH NAME
acpi_available \- test whether ACPI subsystem is available

.SH SYNOPSIS
.B acpi_available

.SH DESCRIPTION
.B acpi_available
checks whether the ACPI ("Advanced Configuration and Power Interface")
subsystem is available, as evidenced by the presence of the /proc/acpi
directory.

.SH OPTIONS
None.
.SH "EXIT STATUS"
.br
.nf
\fB0\fR (true)  	ACPI subsystem is available
\fB1\fR (false) 	ACPI subsystem is not available
\fB2\fR			usage error (arguments supplied)
.SH FILES
.br
.nf
\fI/proc/acpi\fR        ACPI status information file
.SH AUTHOR
This manual page was written by Thomas Hood <jdthood@yahoo.co.uk>.