.\" Hey, EMACS: -*- nroff -*- .\" First parameter, NAME, should be all caps .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection .\" other parameters are allowed: see man(7), man(1) .TH ACPI_AVAILABLE 1 "2006-01-03" .\" Please adjust this date whenever revising the manpage. .\" .\" Some roff macros, for reference: .\" .nh disable hyphenation .\" .hy enable hyphenation .\" .ad l left justify .\" .ad b justify to both left and right margins .\" .nf disable filling .\" .fi enable filling .\" .br insert line break .\" .sp insert n+1 empty lines .\" for manpage-specific macros, see man(7) .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 .