xgetextensionversion(3) [x11r4 man page]

XGetExtensionVersion(3) 					    X FUNCTIONS 					   XGetExtensionVersion(3)

NAME

       XGetExtensionVersion - query the version of the input extension.

SYNTAX

       XExtensionVersion *XGetExtensionVersion(Display *display, char *name);

ARGUMENTS

       display	   Specifies the connection to the X server.

       name	   Specifies the extension to be queried.  The input extension name is defined in the header file XI.h.

DESCRIPTION

       The  XGetExtensionVersion  request  queries the version of the input extension, and returns an XExtensionVersion structure.  This structure
       contains a major_version and minor_version number which can be compared with constants defined in XI.h.	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.

       You should use XFree to free the XExtensionVersion structure.

STRUCTURES

       This request returns an XExtensionVersion structure.  typedef struct {
	       int    present;
	       short  major_version;
	       short  minor_version; } XExtensionVersion;

DIAGNOSTICS

       none

SEE ALSO

       Programming With Xlib

X Version 11							    libXi 1.2.1 					   XGetExtensionVersion(3)

DPMSGetVersion(3)						    X FUNCTIONS 						 DPMSGetVersion(3)

NAME

       DPMSGetVersion - returns the version of the DPMS extension implemented by the X server

SYNOPSIS

       cc [ flag ... ] file ... -lXext [ library ... ]
       #include <X11/extensions/dpms.h>

       Status DPMSGetVersion
	      (
		    Display *display,
		    int *major_version,
		    int *minor_version
	      );

ARGUMENTS

       display
	      Specifies the connection to the X server

       major_version
	      Specifies the return location for the extension major version

       minor_version
	      Specifies the return location for the extension minor version

DESCRIPTION

       The DPMSGetVersion function returns the version of the Display Power Management Signaling (DPMS) extension implemented by the X server.	It
       returns a major and minor version number. The major version number will be incremented for protocol incompatible  changes,  and	the  minor
       version number will be incremented for small, upward compatible changes.

RETURN VALUES

       TRUE	      The DPMSGetVersion function returns TRUE when the extension is supported and values are returned.

       FALSE	      The DPMSGetVersion function returns FALSE when the extension is not supported.

SEE ALSO

       DPMSCapable(3), DPMSQueryExtension(3)

X Version 11							   libXext 1.3.2						 DPMSGetVersion(3)