# SDL_Environment A thread-safe set of environment variables ## Header File Defined in [<SDL3/SDL_stdinc.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c typedef struct SDL_Environment SDL_Environment; ``` ## Version This struct is available since SDL 3.2.0. ## See Also - [SDL_GetEnvironment](SDL_GetEnvironment) - [SDL_CreateEnvironment](SDL_CreateEnvironment) - [SDL_GetEnvironmentVariable](SDL_GetEnvironmentVariable) - [SDL_GetEnvironmentVariables](SDL_GetEnvironmentVariables) - [SDL_SetEnvironmentVariable](SDL_SetEnvironmentVariable) - [SDL_UnsetEnvironmentVariable](SDL_UnsetEnvironmentVariable) - [SDL_DestroyEnvironment](SDL_DestroyEnvironment) ---- [CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryStdinc](CategoryStdinc)