Clear a variable from the environment.
\param name the name of the variable to unset. \returns 0 on success, -1 on error.
\threadsafety This function is not thread safe, consider using SDL_UnsetEnvironmentVariable() instead.
\since This function is available since SDL 3.2.0.
\sa SDL_UnsetEnvironmentVariable
See Implementation
Clear a variable from the environment.
\param name the name of the variable to unset. \returns 0 on success, -1 on error.
\threadsafety This function is not thread safe, consider using SDL_UnsetEnvironmentVariable() instead.
\since This function is available since SDL 3.2.0.
\sa SDL_UnsetEnvironmentVariable