The problem with the conversion.

[XavierAP]

On Wednesday, 19 June 2019 at 17:28:38 UTC, XavierAP wrote:
>
> Also, the return type of SDL_LoadBMP is a pointer, SDL_Surface* 
> not just SDL_Surface.

Or just use auto of course if you prefer:

void load (string path)
{
     import std.string : toStringz;
     auto ab = SDL_LoadBMP (path.toStringz);