ffi callback update - in case of values returning value, in case of vptr - void*
ffi callback update - in case of values returning value, in case of vptr - void*

yuriy-chumak/OL,yuriy-chumak/OL,yuriy-chumak/OL,yuriy-chumak/OL,yuriy-chumak/OL,yuriy-chumak/OL