Symbol: LUA_ENV
usr/src/uts/common/fs/zfs/lua/ldebug.c
431
return (vn && strcmp(vn, LUA_ENV) == 0) ? "global" : "field";
usr/src/uts/common/fs/zfs/lua/llex.c
168
ls->envn = luaS_new(L, LUA_ENV); /* create env name */