A variable setting which system cursor to use as the default cursor.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_MOUSE_DEFAULT_SYSTEM_CURSOR "SDL_MOUSE_DEFAULT_SYSTEM_CURSOR"
This should be an integer corresponding to the SDL_SystemCursor enum. The default value is zero (SDL_SYSTEM_CURSOR_DEFAULT).
This hint needs to be set before SDL_Init().
This hint is available since SDL 3.1.3.