105 lines
3.3 KiB
Groff
105 lines
3.3 KiB
Groff
.\" Copyright \(co Digital Equipment Corporation, 1996
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this
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.\" documentation for any purpose is hereby granted without fee,
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.\" provided that the above copyright notice and this permission
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.\" notice appear in all copies. Digital Equipment Corporation
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.\" makes no representations about the suitability for any purpose
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.\" of the information in this document. This documentation is
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.\" provided ``as is'' without express or implied warranty.
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.\"
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.\" Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software is furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice (including the next
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.\" paragraph) shall be included in all copies or substantial portions of the
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.\" Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\" DEALINGS IN THE SOFTWARE.
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.\"
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.\" X Window System is a trademark of The Open Group.
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.\"
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.TH DPMSQueryExtension __libmansuffix__ __xorgversion__ "X FUNCTIONS"
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.SH NAME
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DPMSQueryExtension \- queries the X server to determine the availability
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of the DPMS Extension
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.SH SYNOPSIS
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.PP
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.nf
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\fBcc\fR [ \fIflag\fR \&.\&.\&. ] \fIfile\fR \&.\&.\&. -\fBlXext\fR [ \fIlibrary\fR \&.\&.\&. ]
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\&#include <X11/extensions/dpms.h>
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.HP
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.B Bool DPMSQueryExtension
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(
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.br
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Display \fI*display\fP\^,
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.br
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int \fI*event_base\fP\^,
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.br
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int \fI*error_base\fP\^
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);
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.TP
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.I display
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Specifies the connection to the X server
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.TP
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.I event_base
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Specifies the return location for the assigned base event
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.TP
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.I error_base
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Specifies the return location for the assigned base error
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.SH DESCRIPTION
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.LP
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The
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.I DPMSQueryExtension
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function queries the X server to determine the availability of the
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Display Power Management Signaling (DPMS)
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Extension. If the extension is available, it returns TRUE, and the
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.I event_base
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and
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.I error_base
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are set to the base event and error numbers, respectively. Otherwise, the
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return value is FALSE, and the
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values of
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.I event_base
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and
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.I error_base
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are undefined.
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.SH "RETURN VALUES"
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.TP 15
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TRUE
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The
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.I DPMSQueryExtension
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function returns TRUE if the extension is available,
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and
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.I event_base
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and
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.I error_base
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are set to the base event number and base error number for the extension,
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respectively.
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.TP 15
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FALSE
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The
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.I DPMSQueryExtension
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function returns FALSE if extension is not available, and the values of
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.I event_base
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and
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.I error_base
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are undefined.
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.SH "SEE ALSO"
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.BR DPMSGetVersion (__libmansuffix__)
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