int XSaveContext(display, rid, context, data)
      Display *display;	
      XID rid;
      XContext context;
      XPointer data;
| display | Specifies the connection to the X server. | 
| rid | Specifies the resource ID with which the data is associated. | 
| context | Specifies the context type to which the data belongs. | 
| data | Specifies the data to be associated with the window and type. |