SDL_AsyncIOOutcome.3type - Man Page

#include <SDL3/SDL_asyncio.h>

typedef struct SDL_AsyncIOOutcome
{
    SDL_AsyncIO *asyncio;   /**< what generated this task. This pointer will be invalid if it was closed! */
    SDL_AsyncIOTaskType type;  /**< What sort of task was this? Read, write, etc? */
    SDL_AsyncIOResult result;  /**< the result of the work (success, failure, cancellation). */
    void *buffer;  /**< buffer where data was read/written. */
    Uint64 offset;  /**< offset in the SDL_AsyncIO where data was read/written. */
    Uint64 bytes_requested;  /**< number of bytes the task was to read/write. */
    Uint64 bytes_transferred;  /**< actual number of bytes that were read/written. */
    void *userdata;    /**< pointer provided by the app when starting the task */
} SDL_AsyncIOOutcome;

This struct is available since SDL 3.2.0.