text: 
  #ifndef _X11_IMUTIL_H_
  #define _X11_IMUTIL_H_
  
  extern int
  _XGetScanlinePad(
      Display *dpy,
      int depth);
  
  extern int
  _XGetBitsPerPixel(
   Display *dpy,
   int depth);
  
  extern int
  _XSetImage(
      XImage *srcimg,
      register XImage *dstimg,
      register int x,
      register int y);
  
  extern int
  _XReverse_Bytes(
      register unsigned char *bpt,
      register int nb);
  extern void
  _XInitImageFuncPtrs(
      register XImage *image);
  
  #endif /* _X11_IMUTIL_H_ */
  