(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_GetEnvironmentVariable

Get the value of a variable in the environment.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

const char * SDL_GetEnvironmentVariable(SDL_Environment *env, const char *name);

Function Parameters

SDL_Environment *	env	the environment to query.
const char *	name	the name of the variable to get.

Return Value

(const char *) Returns a pointer to the value of the variable or NULL if it can't be found.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

See Also

• SDL_GetEnvironment
• SDL_CreateEnvironment
• SDL_GetEnvironmentVariables
• SDL_SetEnvironmentVariable
• SDL_UnsetEnvironmentVariable

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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