NAME
	find_call_out - find the remaining call_out time of a function

SYNOPSIS
	int find_call_out(string func)

DESCRIPTION
	This function returns the number of seconds left until the given
	function `func' is to be executed. If there is no pending call to 
	`func' -1 will be return.

BUGS
	Not trustable, it can return a negative number even if there is a
	call waiting.

SEE ALSO
	call_out, remove_call_out, call_out_info