Function lua_xmove

3rd/lua-5.4.3/src/lapi.c:121–134

LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
  int i;
  if (from == to) return;
  lua_lock(to);
  api_checknelems(from, n);
  api_check(from, G(from) == G(to), "moving among independent states");
  api_check(from, to->ci->top - to->top >= n, "stack overflow");
  from->top -= n;
  for (i = 0; i < n; i++) {
    setobjs2s(to, to->top, from->top + i);
    to->top++;  /* stack already checked by previous 'api_check' */
  }
  lua_unlock(to);
}


LUA_API lua_CFunction lua_atpanic (lua_State *L, lua_CFunction panicf) {