This thing what i try do is forAOS 3.0-3.9...
OpenScreenTags,CloseScreen problem what is both talk illegal argument i bet i get this kind thing working years ago but i dont found my code.
i say bmid is return value BestModeID if all goes well i not i to print error then cleanup.
all is fine but when i use OpenScreenTags this kind list
SA_DisplayID,bmid,TAG_END i get Illegal argument error.
same error with also CloseScreen when i give OpenScreenTags return value.

@Vanhapolle

Is this at compile time? (well it must be as such warnings are never given at run time , just a crash

Please post you code, otherwise how can we help you?

You probably have incorrect types, "struct Screen" instead of "struct Screen *" perhaps (second is a pointer).

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@broadblues

I solved it hard tell more but now i going open window. etc. then basic thing is done i going test several routines what my program is going use. I hope my brain simulation of ink (i tired calculate in my brains results which i quickly thinked are correct) works in realworld.