###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!)
# SDL_CreateEnvironment

Create a 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
SDL_Environment * SDL_CreateEnvironment(bool populated);
```

## Function Parameters

|      |               |                                                                                             |
| ---- | ------------- | ------------------------------------------------------------------------------------------- |
| bool | **populated** | true to initialize it from the C runtime environment, false to create an empty environment. |

## Return Value

([SDL_Environment](SDL_Environment) *) Returns a pointer to the new
environment or NULL on failure; call [SDL_GetError](SDL_GetError)() for
more information.

## Thread Safety

If `populated` is false, it is safe to call this function from any thread,
otherwise it is safe if no other threads are calling setenv() or unsetenv()

## Version

This function is available since SDL 3.1.3.

## See Also

- [SDL_GetEnvironmentVariable](SDL_GetEnvironmentVariable)
- [SDL_GetEnvironmentVariables](SDL_GetEnvironmentVariables)
- [SDL_SetEnvironmentVariable](SDL_SetEnvironmentVariable)
- [SDL_UnsetEnvironmentVariable](SDL_UnsetEnvironmentVariable)
- [SDL_DestroyEnvironment](SDL_DestroyEnvironment)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryStdinc](CategoryStdinc)