SYNOPSIS
        int mappingp(mixed arg)

DESCRIPTION
        Returns 1 if the argument is a mapping, or 0 if it is not.

SEE ALSO
        mkmapping(E), m_indices(E), m_values(E), m_add(E), m_delete(E),
        sizeof(E), widthof(E), bytesp(E), clonep(E), closurep(E),
        coroutinep(E), floatp(E), intp(E), lpctypep(E), lwobjectp(E),
        objectp(E), pointerp(E), referencep(E), stringp(E), structp(E),
        symbolp(E)