From the NannyMUD documentation

LAST CHANGE

2000-12-11

FUNCTION

NAME
        remove_call_out - remove a named, pending call_out for current object


SYNTAX
        int remove_call_out(string funcname)

DESCRIPTION
        Removes a pending call_out in the current object. Returns seconds
        left until the call out was going to take place. If there is no such
        call_out, -1 is returned.


SEE ALSO
        call_out in efun/object_related/call_out


SEE ALSO
        find_call_out in efun/object_related/find_call_out


SEE ALSO
        call_out_info in efun/object_related/call_out_info