mixed *call_out_info(void)
Get information about all pending call outs. The result is an
array in which every entry is itself an array describing one
call_out. Each of these arrays consists of 3 or more elements:
1. The object the function/closure is called in.
2. The function or closure.
3. The delay to go
4ff. The optional argument(s)
Callouts for destructed objects will not be contained in the
list.
call_out(E), remove_call_out(E), find_call_out(E)