###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_AtomicSetPtr Set a pointer to a value atomically. ## Header File Defined in [SDL_atomic.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_atomic.h) ## Syntax ```c void* SDL_AtomicSetPtr(void **a, void* v); ``` ## Function Parameters | | | | --------- | ------------------------- | | **a** | a pointer to a pointer | | **v** | the desired pointer value | ## Return Value Returns the previous value of the pointer. ## Remarks ***Note: If you don't know what this function is for, you shouldn't use it!*** ## Version This function is available since SDL 2.0.2. ## See Also * [SDL_AtomicCASPtr](SDL_AtomicCASPtr) * [SDL_AtomicGetPtr](SDL_AtomicGetPtr) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)