arduino-esp32/tools/sdk/include/lwip/ping/ping.h

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef LWIP_PING_H
#define LWIP_PING_H
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#ifdef __cplusplus
extern "C" {
#endif
/**
* PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
*/
#ifndef PING_USE_SOCKETS
#define PING_USE_SOCKETS LWIP_SOCKET
#endif
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int ping_init(void);
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#ifdef ESP_PING
void ping_deinit(void);
#endif
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#if !PING_USE_SOCKETS
void ping_send_now(void);
#endif /* !PING_USE_SOCKETS */
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#ifdef __cplusplus
}
#endif
#endif /* LWIP_PING_H */