remove_get_char() - cancels active input_to
int remove_get_char(object interactive);
cancels active input_to
set's interactive->carryover = NULL
set's interactive->num_carry = 0
returns -3 if argument missing
-2 if object destroyed or not interactive
-1 if no input_to active
1 otherwise
- what's the meaning of
interactive->carryover?
interactive->num_carry?