###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable 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 | | | | | ------- | ----- | -------------------------- | | void ** | **a** | a pointer to a pointer. | | void * | **v** | the desired pointer value. | ## Return Value (void *) 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), [CategoryAtomic](CategoryAtomic)