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Annotation of researchv9/X11/src/X.V11R1/lib/X/XQuExt.c, revision 1.1.1.1

1.1       root        1: #include "copyright.h"
                      2: 
                      3: /* $Header: XQuExt.c,v 11.12 87/09/11 08:05:57 toddb Exp $ */
                      4: /* Copyright    Massachusetts Institute of Technology    1986  */
                      5: 
                      6: #define NEED_REPLIES
                      7: #include "Xlibint.h"
                      8: 
                      9: Bool XQueryExtension(dpy, name, major_opcode, first_event, first_error)
                     10:     register Display *dpy;
                     11:     char *name;
                     12:     int *major_opcode;  /* RETURN */
                     13:     int *first_event;   /* RETURN */
                     14:     int *first_error;  /* RETURN */
                     15: {       
                     16:     xQueryExtensionReply rep;
                     17:     register xQueryExtensionReq *req;
                     18: 
                     19:     LockDisplay(dpy);
                     20:     GetReq(QueryExtension, req);
                     21:     req->nbytes = strlen(name);
                     22:     req->length += (req->nbytes+3)>>2;
                     23:     _XSend(dpy, name, (long)req->nbytes);
                     24:     (void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
                     25:     *major_opcode = rep.major_opcode;
                     26:     *first_event = rep.first_event;
                     27:     *first_error = rep.first_error;
                     28:     UnlockDisplay(dpy);
                     29:     SyncHandle();
                     30:     return (rep.present);
                     31: }
                     32: 

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