SYNOPSIS
int mappingp(mixed arg)
DESCRIPTION
Returns 1 if the argument is a mapping, or 0 if it is not.
SEE ALSO
intp(E), stringp(E), objectp(E), pointerp(E), mkmapping(E),
m_indices(E), m_values(E), m_add(E), m_delete(E), sizeof(E),
widthof(E).