PN_IS_FFIPTR      185 core/vm.c      	  || PN_IS_FFIPTR(arg)
PN_IS_FFIPTR      138 lib/aio.c        else if (PN_IS_FFIPTR(cb))    \
PN_IS_FFIPTR      147 lib/aio.c        else if (PN_IS_FFIPTR(cb))    \