Function pushargs

3rd/lua-5.4.3/src/lua.c:227–237

** Push on the stack the contents of table 'arg' from 1 to #arg */

** Push on the stack the contents of table 'arg' from 1 to #arg
*/
static int pushargs (lua_State *L) {
  int i, n;
  if (lua_getglobal(L, "arg") != LUA_TTABLE)
    luaL_error(L, "'arg' is not a table");
  n = (int)luaL_len(L, -1);
  luaL_checkstack(L, n + 3, "too many arguments to script");
  for (i = 1; i <= n; i++)
    lua_rawgeti(L, -i, i);
  lua_remove(L, -i);  /* remove table from the stack */
  return n;
}


static int handle_script (lua_State *L, char **argv) {