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https://github.com/espressif/esp-protocols.git
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41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "lwip/sockets.h"
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#ifdef CONFIG_IDF_TARGET_LINUX
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// namespace with esp_ on linux to avoid conflict of symbols
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#define getnameinfo esp_getnameinfo
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Converts a socket address to a corresponding host and service name.
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*
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* @param[in] addr Pointer to the socket address structure.
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* @param[in] addrlen Length of the socket address.
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* @param[out] host Buffer to store the host name.
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* @param[in] hostlen Length of the host buffer.
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* @param[out] serv Buffer to store the service name.
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* @param[in] servlen Length of the service buffer.
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* @param[in] flags Flags to modify the behavior of the function.
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*
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* @return
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* - 0 on success.
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* - Non-zero on failure, with `errno` set to indicate the error.
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*/
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int getnameinfo(const struct sockaddr *addr, socklen_t addrlen,
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char *host, socklen_t hostlen,
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char *serv, socklen_t servlen, int flags);
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#ifdef __cplusplus
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}
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#endif
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