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+.\"
+.\" Copyright ([\d,\s]*) by Hewlett-Packard Company, Ardent Computer, 
+.\" 
+.\" Permission to use, copy, modify, distribute, and sell this documentation 
+.\" for any purpose and without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\" Ardent, and Hewlett-Packard make no representations about the 
+.\" suitability for any purpose of the information in this document.  It is 
+.\" provided \`\`as is'' without express or implied warranty.
+.\" 
+.\" $Xorg: XGetExtV.man,v 1.4 2001/03/16 17:51:13 pookie Exp $
+.ds xL Programming With Xlib
+.TH XGetExtensionVersion 3X11 "Release 6.6" "X Version 11" "X FUNCTIONS"
+.SH NAME
+XGetExtensionVersion \- query the version of the input extension.
+.SH SYNTAX
+XExtensionVersion *XGetExtensionVersion\^(\^\fIdisplay\fP, \fIname\fP\^)
+.br
+      Display *\fIdisplay\fP\^;
+.br
+      char *\fIname\fP\^; 
+.SH ARGUMENTS
+.TP 12
+.I display
+Specifies the connection to the X server.
+.TP 12
+.I name
+Specifies the extension to be queried.  The input extension name is defined
+in the header file \fIXI.h\fP.
+.SH DESCRIPTION
+The \fIXGetExtensionVersion\fP request queries the version of the input 
+extension, and returns an \fIXExtensionVersion\fP structure.  This structure
+contains a major_version and minor_version number which can be compared
+with constants defined in \fIXI.h\fP.  Support for additional protocol 
+requests added to the input extension after its initial release is indicated
+by a version number corresponding to the added requests.  Each version
+contains all the protocol requests contained by previous versions.
+.LP
+You should use \fIXFree\fP to free the \fIXExtensionVersion\fP structure.
+.SH STRUCTURES
+This request returns an XExtensionVersion structure.
+.DS
+typedef struct {
+        int   	present;
+        short	major_version;
+        short	minor_version;
+} XExtensionVersion;
+.DE
+.SH DIAGNOSTICS
+none
+.SH "SEE ALSO"
+.br
+\fI\*(xL\fP