IBM Mainframe Forum

Hi everybody,
any one can explain the exact difference between the function code gn, gnp.

What do you think the difference is? Did your thoghts change after you read some relevant material? Do you KNOW what GN and GNP stand for?

GN and GNP are the function codes used to retrieve the segments data in I/O area of the application program.

Generally when you issue calls using GN function code it will retrieve all the segments information in top to bottom, front to back and left to right fashion.

But if u issue a call using GNP function code it will retrieve the segments with in the parent where the parentage is set.

Hope this helps

Regards,
Sriraj k

"GN and GNP are the function codes used to retrieve the segments data in I/O area of the application program."
errrr ..... No!

Presume he meant INTO rather than IN I/O area

Difference- GNP needs parent but GN does not