void FUN_00413d74(undefined4 *param_1)

{

  void *pvVar1;

  if (param_1 != (undefined4 *)0x0) {

    do {

      pvVar1 = (void *)*param_1;

      free((void *)param_1[1]);

      dhcp6_clear_list(param_1 + 6);

      FUN_00413c1c(param_1 + 8);

      if ((void *)param_1[5] != (void *)0x0) {

        free((void *)param_1[5]);

      }

      if ((void *)param_1[0xb] != (void *)0x0) {

        free((void *)param_1[0xb]);

      }

      free(param_1);

      param_1 = (undefined4 *)pvVar1;

    } while (pvVar1 != (void *)0x0);

  }

  return;

}