luaL_getn        6369 host/minilua.c e=luaL_opt(L,luaL_checkint,3,luaL_getn(L,1));
luaL_getn        6452 host/minilua.c #define aux_getn(L,n)(luaL_checktype(L,n,5),luaL_getn(L,n))
luaL_getn        6508 host/minilua.c last=luaL_opt(L,luaL_checkint,4,luaL_getn(L,1));