###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_ReadS8 Use this function to read a signed byte from an [SDL_IOStream](SDL_IOStream). ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_iostream.h) ## Syntax ```c bool SDL_ReadS8(SDL_IOStream *src, Sint8 *value); ``` ## Function Parameters | | | | | ------------------------------ | --------- | ---------------------------------------------- | | [SDL_IOStream](SDL_IOStream) * | **src** | the [SDL_IOStream](SDL_IOStream) to read from. | | Sint8 * | **value** | a pointer filled in with the data read. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.1.3. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryIOStream](CategoryIOStream)