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echo: os2prog
to: Jon Guthrie
from: Rob Landley
date: 1994-08-14 14:55:36
subject: Moving from Dos to OS/2

> What you need to get depends on what you want to accomplish.  If you want to
> become fluent in Presentation Manager, you'll need a different set of
> knowledge than if you want to write text-mode programs.  I suspect that, as
> a dos programmer, you'll be more interested in text-mode, at least for a
> while.
 
Not necessarily.  I have nothing against the GUI concept.  Just windows.
 
>  > Anyway, my problem is, I'm aware of a lot of new function calls that
>  > start with the word DOS (DosCreateThread, etc...) that have nothing
>  > whatsoever to do with dos emulation, and I'm wondering how do you learn
>  > them?
> 
> Why do you want to know about the API calls?  What int21 calls do you
> commonly use under DOS?  Most of the API is virtualized by the C library.
 
I know that.  I need to learn the new C library for OS/2, to do things like
semaphores, waiting without using time slices, creating new threads,
getting a directory with all the new extended info and long names...  Text
mode color changing and cursor movement, and of course the PM graphics
library...
 
 
Rob Landley
 
--- Xblat V1.00

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