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Manual Reference Pages  - XpQueryVersion (3Xp)

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XpQueryVersion - Queries an X Server to determine if it supports the X Print Service Extension, and if it does, which version of the X Print Service Extension.

CONTENTS

Synopsis
Arguments
Description

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

Status XpQueryVersion ( display, major_version_return, minor_version_return )
Display *display;
short *major_version_return;
short *minor_version_return;    

display
	Specifies a pointer to the Display structure; returned from XOpenDisplay.
major_version_return
	Returns the major version if the X Print Service Extension exists, else zero.
minor_version_return
	Returns the minor version if the X Print Service Extension exists, else zero.

XpQueryVersion determines if the X Print Service Extension is present. A non-zero Status is returned if the extension is supported, otherwise a zero Status is returned. If the extension is supported, the major and minor version numbers are returned to indicate the level of X Print Service Extension support.

The X Print Service Extension is initialized on the first call to any X Print Service function; there is no need to explicitly initialize the X Print Service Extension.

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