api_checknelems  5310 host/minilua.c #define api_checknelems(L,n)luai_apicheck(L,(n)<=(L->top-L->base))
api_checknelems    30 lj_api.c       #define api_checknelems(L, n)		api_check(L, (n) <= (L->top - L->base))