XSetWMHints(display, w, wmhints)
      Display *display;
      Window w;
      XWMHints *wmhints;
| display | Specifies the connection to the X server. | 
| w | Specifies the window. | 
| wmhints | Specifies the XWMHints structure to be used. | 
XSetWMHints() can generate BadAlloc and BadWindow errors.
| BadAlloc | The server failed to allocate the requested source or server memory. | 
| BadWindow | A value for a Window argument does not name a defined Window. |