Function SDL_UnsetEnvironmentVariable

pub unsafe extern "C" fn SDL_UnsetEnvironmentVariable(
    env: *mut SDL_Environment,
    name: *const i8,
) -> bool

Available on crate feature dep_sdl3 only.

Clear a variable from the environment.

Parameters

• env: the environment to modify.
• name: the name of the variable to unset.

Return value

Returns true on success or false on failure; call [SDL_GetError()] for more information.

Thread safety

It is safe to call this function from any thread.

Availability

This function is available since SDL 3.2.0.

See also

• SDL_GetEnvironment
• SDL_CreateEnvironment
• SDL_GetEnvironmentVariable
• SDL_GetEnvironmentVariables
• SDL_SetEnvironmentVariable
• SDL_UnsetEnvironmentVariable