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Annotation of 43BSD/contrib/X/Xlib/XQueryTree.c, revision 1.1

1.1     ! root        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:        }

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