text: /****************************************************************************
   * apps/include/netutils/dhcp6c.h
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.  The
   * ASF licenses this file to you 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 __APPS_INCLUDE_NETUTILS_DHCP6C_H
  #define __APPS_INCLUDE_NETUTILS_DHCP6C_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <stdint.h>
  #include <stdbool.h>
  #include <netinet/in.h>
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /****************************************************************************
   * Public Types
   ****************************************************************************/
  
  struct dhcp6c_state
  {
    struct in6_addr addr;
    struct in6_addr pd;       /* prefix address */
    struct in6_addr dns;
    struct in6_addr netmask;
    uint8_t pl;               /* prefix len */
    uint32_t t1;
    uint32_t t2;
  };
  
  typedef void (*dhcp6c_callback_t)(FAR struct dhcp6c_state *presult);
  
  /****************************************************************************
   * Public Function Prototypes
   ****************************************************************************/
  
  #ifdef __cplusplus
  #define EXTERN extern "C"
  extern "C"
  {
  #else
  #define EXTERN extern
  #endif
  
  FAR void *dhcp6c_open(FAR const char *interface);
  int dhcp6c_request(FAR void *handle, FAR struct dhcp6c_state *presult);
  int dhcp6c_request_async(FAR void *handle, dhcp6c_callback_t callback);
  void dhcp6c_cancel(FAR void *handle);
  void dhcp6c_close(FAR void *handle);
  
  #undef EXTERN
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __APPS_INCLUDE_NETUTILS_DHCP6C_H */
  