You can use Linux API calls directly from Delphi 10.2 and up

Paul TOTH figured this out:

you can use any Linux API but it’s not trivial.

1. you have to install the “dev” library under Llinux, like “apt-get install xxx-dev” for the xxx API
2. you have to update the Linux DSK in Delphi
3. you can declare the API as externals function as usual
4. now you can compile and deploy the application.

If you miss the steps 1 or 2 you’ll have a linker error.

Source: [WayBack] Dear… Delphi 10.2 Tokyo, can i use linux api directly? like ‘fcntl(….)’.

And there is this great blog post that I found later by [WayBack] Allen Drennan: [WayBack] Importing third-party Linux libraries on Delphi 10.2 Tokyo – grijjy blog

–jeroen