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),
        floatp(E), objectp(E), intp(E), referencep(E), pointerp(E),
        stringp(E), symbolp(E), structp(E)