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%^RED%^%^BOLD%^Syntax :: %^RESET%^ query_listen( target );

This function checks to see if the target named is defined on the
object. It will return a 0 if it is not. The return value can be
either a string or a function pointer.

see also ::

set_listen , set_listens , remove_listen , remove_listens, query_listens

See the /doc/coding sections on functions if you need help with
coding and using function pointers.

