DOKK / manpages / debian 13 / libsdl3-doc / SDL_UnsetEnvironmentVariable.3.en
SDL_UnsetEnvironmentVariable(3) SDL3 FUNCTIONS SDL_UnsetEnvironmentVariable(3)

SDL_UnsetEnvironmentVariable - Clear a variable from the environment.

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"
bool SDL_UnsetEnvironmentVariable(SDL_Environment *env, const char *name);

the environment to modify.
the name of the variable to unset.

Returns true on success or false on failure; call

SDL_GetError () for more information.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.

(3), SDL_GetEnvironment(3), (3), SDL_CreateEnvironment(3), (3), SDL_GetEnvironmentVariable(3), (3), SDL_GetEnvironmentVariables(3), (3), SDL_SetEnvironmentVariable(3), (3), SDL_UnsetEnvironmentVariable(3)

SDL 3.2.10 Simple Directmedia Layer