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Outline
#include <stdbool.h>
#include <stdint.h>
#define IPV6_MULTICAST_IF
#define IPV6_MULTICAST_HOPS
#define IPV6_MULTICAST_LOOP
lwip_sock
lwip_setsockopt_impl_ext(struct lwip_sock *, int, int, const void *, uint32_t, int *);
lwip_getsockopt_impl_ext(struct lwip_sock *, int, int, void *, uint32_t *, int *);
Files
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SourceVuESP-IDF Framework and ExampleslwIPport/include/sockets_ext.h
 
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/* * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #pragma once #include <stdbool.h> #include <stdint.h> #ifdef __cplusplus extern "C" { #endif #define IPV6_MULTICAST_IF 0x300 #define IPV6_MULTICAST_HOPS 0x301 #define IPV6_MULTICAST_LOOP 0x302 struct lwip_sock; bool lwip_setsockopt_impl_ext(struct lwip_sock* sock, int level, int optname, const void *optval, uint32_t optlen, int *err); bool lwip_getsockopt_impl_ext(struct lwip_sock* sock, int level, int optname, void *optval, uint32_t *optlen, int *err); #ifdef __cplusplus }{...} #endif
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