Function miri::shims::env::alloc_env_var_as_c_str

fn alloc_env_var_as_c_str<'mir, 'tcx>(
    name: &OsStr,
    value: &OsStr,
    ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>
) -> InterpResult<'tcx, Pointer<Option<Provenance>>>