Start catching keys. Used for special commands (e.g. "f", "r"). amount (int): amount of keys to catch. callback (str): name of method to call once all keys are caught. input_line (str): input line's content. cur (int): cursor's position. count (int): count, e.g. "2" for "2fs".
(amount, callback, input_line, cur, count, buf=None)
source not stored for this graph (policy: none)