FD_CLR            617 lib/tty/key.c          FD_CLR (p->fd, select_set);
FD_CLR           1712 lib/tty/key.c                      FD_CLR (mouse_fd, &select_set);
FD_CLR           1987 lib/tty/key.c                          FD_CLR (mouse_fd, &select_set);
FD_CLR           2079 lib/tty/key.c                              FD_CLR (mouse_fd, &select_set);
FD_CLR           2091 lib/tty/key.c                          FD_CLR (mouse_fd, &select_set);