NAME
    GfxNew -- allocate a graphics extended data structure (V36)
SYNOPSIS
    result = GfxNew( node_type );
    d0               d0
    struct extendednode *gfxnew( ulong);
FUNCTION
    Allocate a special graphics extended data structure (each of which
    begins with an extendednode structure).  the type of structure to
    be allocated is specified by the node_type identifier.
INPUTS
    node_type = which type of graphics extended data structure to allocate.
                (see gfxnodes.h for identifier definitions.)
RESULT
    result = a pointer to the allocated graphics node or NULL if the
             allocation failed.
BUGS
SEE ALSO
    graphics/gfxnodes.h gfxfree() gfxassociate() gfxlookup()