This is done when the dispatcher callback gets effMainsChanged
#define DUMP_AEFFECT(A) \
printf ("\t.magic == %d\n", A->magic); \
printf ("\t.dispatcher == %p\n", A->dispatcher); \
printf ("\t.process == %p\n", A->process); \
printf ("\t.setParameter == %p\n", A->setParameter); \
printf ("\t.getParameter == %p\n", A->getParameter); \
printf ("\t.numPrograms == %i\n", A->numPrograms); \