text: // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef _ESP_TRANSPORT_TCP_H_
  #define _ESP_TRANSPORT_TCP_H_
  
  #include "esp_transport.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief      Set TCP keep-alive configuration
   *
   * @param[in]  t               The transport handle
   * @param[in]  keep_alive_cfg  The keep-alive config
   */
  void esp_transport_tcp_set_keep_alive(esp_transport_handle_t t, esp_transport_keep_alive_t *keep_alive_cfg);
  
  /**
   * @brief      Create TCP transport, the transport handle must be release esp_transport_destroy callback
   *
   * @return  the allocated esp_transport_handle_t, or NULL if the handle can not be allocated
   */
  esp_transport_handle_t esp_transport_tcp_init();
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _ESP_TRANSPORT_TCP_H_ */
  