4.3BSD - /usr/src/new/X/Xlib/XQueryTree.c

   1: #include <X/mit-copyright.h>
   2: 
   3: /* $Header: XQueryTree.c,v 10.4 86/02/01 15:39:07 tony Rel $ */
   4: /* Copyright    Massachusetts Institute of Technology    1985	*/
   5: 
   6: #include "XlibInternal.h"
   7: Status XQueryTree (w, parent, nchildren, children)
   8:     Window w;
   9:     Window *parent;
  10:     int *nchildren;
  11:     Window **children;
  12: 
  13: {
  14:     register Display *dpy;
  15:     register XReq *req;
  16:     XRep rep;
  17:     int nbytes;
  18: 
  19:     GetReq(X_QueryTree, w);
  20: 
  21:     if (!_XReply(dpy, &rep))
  22:         return (0);
  23:     *parent = rep.param.l[0];
  24:     if ((*nchildren = rep.param.l[1]) == 0) {
  25:         *children = NULL;
  26:         return (1);
  27:         }
  28: 
  29:     if ((*children = (Window *) malloc (nbytes = rep.param.l[1]*sizeof(Window))) == NULL)
  30:         _XIOError (dpy);
  31: 
  32:     _XRead (dpy, *children, nbytes);
  33:     return (1);
  34:     }

Defined functions