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XtGetClassExtension(3Xt)			      XtGetClassExtension(3Xt)

NAME
       XtGetClassExtension - locate a class extension record

SYNOPSIS
       XtPointer  XtGetClassExtension(object_class, byte_offset type, version,
       record_size)
	       WidgetClass object_class;
	       Cardinal byte_offset;
	       XrmQuark type;
	       long version;
	       Cardinal record_size;

ARGUMENTS
       Specifies  the  widget  class  containing  the  extension  list	to  be
       searched.   Specifies  the  offset in bytes form the base of the widget
       class of the extension field to be searched.  Specifies the name of the
       class  extension	 to be located.	 Specifies the minimum acceptable ver‐
       sion of the class extension required for a match.  Specifies the	 mini‐
       mum acceptable length of the class extension record required for match,
       or 0.

DESCRIPTION
       The list of extension records at the specified offset in the  specified
       widget_class will be searched for a match on the specified type, a ver‐
       sion greater than or equal to the specified version, and a record  size
       greater	than  or  equal	 the  specified	 record_size if it is nonzero.
       XtGetClassExtension returns a pointer to a matching extension record or
       NULL  if	 no match is found.  The returned extension record is owned by
       the widget class and must not be	 modified  or  freed  by  the  caller,
       except possibly to be modified by the widget class owner.

SEE ALSO
       X Toolkit Intrinsics -- C Language Interface

       Xlib -- C Language X Interface

						      XtGetClassExtension(3Xt)

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