Re: C to D: please help translate this weird macro

[Ki Rill via Digitalmars-d-learn]

On Wednesday, 20 September 2023 at 13:53:08 UTC, Ki Rill wrote:

Here is the macro:

```C
#define NK_CONTAINER_OF(ptr,type,member)\

(type*)((void*)((char*)(1 ? (ptr): &((type*)0)->member) - NK_OFFSETOF(type, member)))

```

I'm trying to translate the Nuklear GUI library to D [here](https://github.com/rillki/nuklear-d/tree/nuklear-d-translation).

Here is how `NK_OFFSETOF` is defined:
```c
#define NK_OFFSETOF(st,m) ((nk_ptr)&(((st*)0)->m))
```