Unregister a context as the window manager of a display
#include <screen/screen.h>
int screen_unregister_window_manager(screen_context_t ctx, screen_display_t disp)
Function Type: Flushing Execution
This function unregisters the context as the window manager of a display. The context must currently be the window manager for the display.
This function is associated with the preprocessor definition screen_register_window_manager.
0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).