SYNOPSIS
        int structp(mixed arg)

DESCRIPTION
        Return 1 if arg is a struct.

HISTORY
        Introducted in LDMud 3.3.273.

SEE ALSO
        baseof(E), bytesp(E), clonep(E), closurep(E), coroutinep(E),
        floatp(E), intp(E), lpctypep(E), lwobjectp(E), mappingp(E),
        objectp(E), pointerp(E), referencep(E), stringp(E), symbolp(E)