select_fn 261 lib/tty/key.c select_fn callback; select_fn 1397 lib/tty/key.c add_select_channel (int fd, select_fn callback, void *info) select_fn 86 lib/tty/key.h typedef int (*select_fn) (int fd, void *info); select_fn 89 lib/tty/key.h void add_select_channel (int fd, select_fn callback, void *info);