Function lua_isstring

xrepo/packages/l/lua/port/lua/src/lapi.c:320–323

LUA_API int lua_isstring (lua_State *L, int idx) {
  const TValue *o = index2value(L, idx);
  return (ttisstring(o) || cvt2str(o));
}


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