osx man page for tk_idtowindow

Tk_IdToWindow(3)					       Tk Library Procedures						  Tk_IdToWindow(3)

__________________________________________________________________________________________________________________________________________________

NAME
       Tk_IdToWindow - Find Tk's window information for an X window

SYNOPSIS
       #include <tk.h>

       Tk_Window
       Tk_IdToWindow(display, window)

ARGUMENTS
       Display *display (in)	       X display containing the window.

       Window window (in)	       X id for window.
_________________________________________________________________

DESCRIPTION
       Given  an  X window identifier and the X display it corresponds to, this procedure returns the corresponding Tk_Window handle.  If there is
       no Tk_Window corresponding to window then NULL is returned.

KEYWORDS
       X window id

Tk									4.0							  Tk_IdToWindow(3)