strlen, strcpy, etc errors when trying to link an object

[irtcupc via Digitalmars-d-learn]

On Sunday, 1 February 2015 at 18:19:54 UTC, irtcupc wrote:
> Hello, I try to link an object file under win32, the format is 
> ok (omf), i haven't yet started to write the di interface (it 
> exists in a c H file that i'll translate) that a simple 
> compilation try gives me:
>
> ---
>  C:\...\myObj.obj(myObj)
>  Error 42: Symbol Undefined strlen
>  C:\...\myObj.obj(myObj)
>  Error 42: Symbol Undefined strcpy
>  C:\...\myObj.obj(myObj)
>  Error 42: Symbol Undefined strcmp
>  C:\...\myObj.obj(myObj)
>  Error 42: Symbol Undefined memset
>  C:\...\myObj.obj(myObj)
>  Error 42: Symbol Undefined sprintf
> ---
>
> It looks like the object wants some things coming from snn...
>
> the command line looks like:
>
> ---
> dmd app.d myObj.di myObj.obj
> ---
>
> How can i "tell" the obj to use the matching snn function ?

No reason not to be more accurate:

http://www.beaengine.org/downloads

1/ get the win32 zip file.

2/ the folder \Win32\Delphi contains the OMF object (Delphi 
doesnt matter here, the gui has called to folder like this 
because he thought Delphi is the only compilo to still use OMF ;) 
)

3/ simply try to link with a dummy d source containing a main()
> dmd dummy.d BeaEngineLib.obj

A few years ago i used it in a Pascal app and i could define the 
involved functions but here, dmd will complain about
... Error 1: Previous Definition Different : _strlen