# SDL_ThreadFunction The function passed to [SDL_CreateThread](SDL_CreateThread)() as the new thread's entry point. ## Header File Defined in [<SDL3/SDL_thread.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_thread.h) ## Syntax ```c typedef int (SDLCALL *SDL_ThreadFunction) (void *data); ``` ## Function Parameters | | | | -------- | -------------------------------------------------------------------- | | **data** | what was passed as `data` to [SDL_CreateThread](SDL_CreateThread)(). | ## Return Value Returns a value that can be reported through [SDL_WaitThread](SDL_WaitThread)(). ## Version This datatype is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryThread](CategoryThread)