From the NannyMUD documentation

LAST CHANGE

2000-12-14

FUNCTION

NAME
        objectp - True if the value of a variable is an object.


SYNTAX
	int objectp(mixed testvar)

DESCRIPTION
	This function return 1 if `testvar' was of the type object,
	and 0 otherwise.


SEE ALSO
        intp in efun/type_related/intp


SEE ALSO
        stringp in efun/type_related/stringp


SEE ALSO
        pointerp in efun/type_related/pointerp


SEE ALSO
        mappingp in efun/type_related/mappingp