Any guides on porting 1.2 apps to 2.0/2.1???

Hi,

I`ve got a Motif 1.2 application that I`m trying to bring
up under 2.1 and I keep getting seg faults when I`m
bringing up dialogs.

Are there any guidelines/docs out there for how to port
a 1.2 application to a 2.0 or 2.1???

thanks,

John Roberts
johnr@ims.com