From the NannyMUD documentation

LAST CHANGE

2001-09-29

NAME

        efuns - A concept

DESCRIPTION

	An efun is an 'external function', and it is 'external' in the
	sense that it is 'outside' any object; it is defined by the
	driver.

SEE ALSO

        lfuns in concepts/lfuns

SEE ALSO

        call_other in efun/object_related/call_other