Function lua_isnumber

freebsd/contrib/openzfs/module/lua/lapi.c:264–268

LUA_API int lua_isnumber (lua_State *L, int idx) {
  TValue n;
  const TValue *o = index2addr(L, idx);
  return tonumber(o, &n);
}


LUA_API int lua_isstring (lua_State *L, int idx) {