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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/sockets.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/sockets.h
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--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/sockets.h
@@ -0,0 +1,593 @@
+/**
+ * @file
+ * Socket API (to be used from non-TCPIP threads)
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * 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.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+
+#ifndef LWIP_HDR_SOCKETS_H
+#define LWIP_HDR_SOCKETS_H
+
+#include "lwip/opt.h"
+
+#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/ip_addr.h"
+#include "lwip/err.h"
+#include "lwip/inet.h"
+#include "lwip/errno.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* If your port already typedef's sa_family_t, define SA_FAMILY_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(sa_family_t) && !defined(SA_FAMILY_T_DEFINED)
+typedef u8_t sa_family_t;
+#endif
+/* If your port already typedef's in_port_t, define IN_PORT_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(in_port_t) && !defined(IN_PORT_T_DEFINED)
+typedef u16_t in_port_t;
+#endif
+
+#if LWIP_IPV4
+/* members are in network byte order */
+struct sockaddr_in {
+ u8_t sin_len;
+ sa_family_t sin_family;
+ in_port_t sin_port;
+ struct in_addr sin_addr;
+#define SIN_ZERO_LEN 8
+ char sin_zero[SIN_ZERO_LEN];
+};
+#endif /* LWIP_IPV4 */
+
+#if LWIP_IPV6
+struct sockaddr_in6 {
+ u8_t sin6_len; /* length of this structure */
+ sa_family_t sin6_family; /* AF_INET6 */
+ in_port_t sin6_port; /* Transport layer port # */
+ u32_t sin6_flowinfo; /* IPv6 flow information */
+ struct in6_addr sin6_addr; /* IPv6 address */
+ u32_t sin6_scope_id; /* Set of interfaces for scope */
+};
+#endif /* LWIP_IPV6 */
+
+struct sockaddr {
+ u8_t sa_len;
+ sa_family_t sa_family;
+ char sa_data[14];
+};
+
+struct sockaddr_storage {
+ u8_t s2_len;
+ sa_family_t ss_family;
+ char s2_data1[2];
+ u32_t s2_data2[3];
+#if LWIP_IPV6
+ u32_t s2_data3[3];
+#endif /* LWIP_IPV6 */
+};
+
+/* If your port already typedef's socklen_t, define SOCKLEN_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(socklen_t) && !defined(SOCKLEN_T_DEFINED)
+typedef u32_t socklen_t;
+#endif
+
+struct lwip_sock;
+
+#if !LWIP_TCPIP_CORE_LOCKING
+/** Maximum optlen used by setsockopt/getsockopt */
+#define LWIP_SETGETSOCKOPT_MAXOPTLEN 16
+
+/** This struct is used to pass data to the set/getsockopt_internal
+ * functions running in tcpip_thread context (only a void* is allowed) */
+struct lwip_setgetsockopt_data {
+ /** socket index for which to change options */
+ int s;
+ /** level of the option to process */
+ int level;
+ /** name of the option to process */
+ int optname;
+ /** set: value to set the option to
+ * get: value of the option is stored here */
+#if LWIP_MPU_COMPATIBLE
+ u8_t optval[LWIP_SETGETSOCKOPT_MAXOPTLEN];
+#else
+ union {
+ void *p;
+ const void *pc;
+ } optval;
+#endif
+ /** size of *optval */
+ socklen_t optlen;
+ /** if an error occurs, it is temporarily stored here */
+ err_t err;
+ /** semaphore to wake up the calling task */
+ void* completed_sem;
+};
+#endif /* !LWIP_TCPIP_CORE_LOCKING */
+
+#if !defined(iovec)
+struct iovec {
+ void *iov_base;
+ size_t iov_len;
+};
+#endif
+
+struct msghdr {
+ void *msg_name;
+ socklen_t msg_namelen;
+ struct iovec *msg_iov;
+ int msg_iovlen;
+ void *msg_control;
+ socklen_t msg_controllen;
+ int msg_flags;
+};
+
+/* Socket protocol types (TCP/UDP/RAW) */
+#define SOCK_STREAM 1
+#define SOCK_DGRAM 2
+#define SOCK_RAW 3
+
+/*
+ * Option flags per-socket. These must match the SOF_ flags in ip.h (checked in init.c)
+ */
+#define SO_REUSEADDR 0x0004 /* Allow local address reuse */
+#define SO_KEEPALIVE 0x0008 /* keep connections alive */
+#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
+
+
+/*
+ * Additional options, not kept in so_options.
+ */
+#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */
+#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
+#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */
+#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */
+#define SO_LINGER 0x0080 /* linger on close if data present */
+#define SO_DONTLINGER ((int)(~SO_LINGER))
+#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */
+#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */
+#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */
+#define SO_RCVBUF 0x1002 /* receive buffer size */
+#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */
+#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */
+#define SO_SNDTIMEO 0x1005 /* send timeout */
+#define SO_RCVTIMEO 0x1006 /* receive timeout */
+#define SO_ERROR 0x1007 /* get error status and clear */
+#define SO_TYPE 0x1008 /* get socket type */
+#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */
+#define SO_NO_CHECK 0x100a /* don't create UDP checksum */
+
+
+/*
+ * Structure used for manipulating linger option.
+ */
+struct linger {
+ int l_onoff; /* option on/off */
+ int l_linger; /* linger time in seconds */
+};
+
+/*
+ * Level number for (get/set)sockopt() to apply to socket itself.
+ */
+#define SOL_SOCKET 0xfff /* options for socket level */
+
+
+#define AF_UNSPEC 0
+#define AF_INET 2
+#if LWIP_IPV6
+#define AF_INET6 10
+#else /* LWIP_IPV6 */
+#define AF_INET6 AF_UNSPEC
+#endif /* LWIP_IPV6 */
+#define PF_INET AF_INET
+#define PF_INET6 AF_INET6
+#define PF_UNSPEC AF_UNSPEC
+
+#define IPPROTO_IP 0
+#define IPPROTO_ICMP 1
+#define IPPROTO_TCP 6
+#define IPPROTO_UDP 17
+#if LWIP_IPV6
+#define IPPROTO_IPV6 41
+#define IPPROTO_ICMPV6 58
+#endif /* LWIP_IPV6 */
+#define IPPROTO_UDPLITE 136
+#define IPPROTO_RAW 255
+
+/* Flags we can use with send and recv. */
+#define MSG_PEEK 0x01 /* Peeks at an incoming message */
+#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */
+#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */
+#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */
+#define MSG_MORE 0x10 /* Sender will send more */
+
+
+/*
+ * Options for level IPPROTO_IP
+ */
+#define IP_TOS 1
+#define IP_TTL 2
+
+#if LWIP_TCP
+/*
+ * Options for level IPPROTO_TCP
+ */
+#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
+#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */
+#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */
+#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */
+#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */
+#endif /* LWIP_TCP */
+
+#if LWIP_IPV6
+/*
+ * Options for level IPPROTO_IPV6
+ */
+#define IPV6_CHECKSUM 7 /* RFC3542: calculate and insert the ICMPv6 checksum for raw sockets. */
+#define IPV6_V6ONLY 27 /* RFC3493: boolean control to restrict AF_INET6 sockets to IPv6 communications only. */
+#endif /* LWIP_IPV6 */
+
+#if LWIP_UDP && LWIP_UDPLITE
+/*
+ * Options for level IPPROTO_UDPLITE
+ */
+#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */
+#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */
+#endif /* LWIP_UDP && LWIP_UDPLITE*/
+
+
+#if LWIP_MULTICAST_TX_OPTIONS
+/*
+ * Options and types for UDP multicast traffic handling
+ */
+#define IP_MULTICAST_TTL 5
+#define IP_MULTICAST_IF 6
+#define IP_MULTICAST_LOOP 7
+#endif /* LWIP_MULTICAST_TX_OPTIONS */
+
+#if LWIP_IGMP
+/*
+ * Options and types related to multicast membership
+ */
+#define IP_ADD_MEMBERSHIP 3
+#define IP_DROP_MEMBERSHIP 4
+
+typedef struct ip_mreq {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_interface; /* local IP address of interface */
+} ip_mreq;
+#endif /* LWIP_IGMP */
+
+/*
+ * The Type of Service provides an indication of the abstract
+ * parameters of the quality of service desired. These parameters are
+ * to be used to guide the selection of the actual service parameters
+ * when transmitting a datagram through a particular network. Several
+ * networks offer service precedence, which somehow treats high
+ * precedence traffic as more important than other traffic (generally
+ * by accepting only traffic above a certain precedence at time of high
+ * load). The major choice is a three way tradeoff between low-delay,
+ * high-reliability, and high-throughput.
+ * The use of the Delay, Throughput, and Reliability indications may
+ * increase the cost (in some sense) of the service. In many networks
+ * better performance for one of these parameters is coupled with worse
+ * performance on another. Except for very unusual cases at most two
+ * of these three indications should be set.
+ */
+#define IPTOS_TOS_MASK 0x1E
+#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
+#define IPTOS_LOWDELAY 0x10
+#define IPTOS_THROUGHPUT 0x08
+#define IPTOS_RELIABILITY 0x04
+#define IPTOS_LOWCOST 0x02
+#define IPTOS_MINCOST IPTOS_LOWCOST
+
+/*
+ * The Network Control precedence designation is intended to be used
+ * within a network only. The actual use and control of that
+ * designation is up to each network. The Internetwork Control
+ * designation is intended for use by gateway control originators only.
+ * If the actual use of these precedence designations is of concern to
+ * a particular network, it is the responsibility of that network to
+ * control the access to, and use of, those precedence designations.
+ */
+#define IPTOS_PREC_MASK 0xe0
+#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
+#define IPTOS_PREC_NETCONTROL 0xe0
+#define IPTOS_PREC_INTERNETCONTROL 0xc0
+#define IPTOS_PREC_CRITIC_ECP 0xa0
+#define IPTOS_PREC_FLASHOVERRIDE 0x80
+#define IPTOS_PREC_FLASH 0x60
+#define IPTOS_PREC_IMMEDIATE 0x40
+#define IPTOS_PREC_PRIORITY 0x20
+#define IPTOS_PREC_ROUTINE 0x00
+
+
+/*
+ * Commands for ioctlsocket(), taken from the BSD file fcntl.h.
+ * lwip_ioctl only supports FIONREAD and FIONBIO, for now
+ *
+ * Ioctl's have the command encoded in the lower word,
+ * and the size of any in or out parameters in the upper
+ * word. The high 2 bits of the upper word are used
+ * to encode the in/out status of the parameter; for now
+ * we restrict parameters to at most 128 bytes.
+ */
+#if !defined(FIONREAD) || !defined(FIONBIO)
+#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */
+#define IOC_VOID 0x20000000UL /* no parameters */
+#define IOC_OUT 0x40000000UL /* copy out parameters */
+#define IOC_IN 0x80000000UL /* copy in parameters */
+#define IOC_INOUT (IOC_IN|IOC_OUT)
+ /* 0x20000000 distinguishes new &
+ old ioctl's */
+#define _IO(x,y) (IOC_VOID|((x)<<8)|(y))
+
+#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
+
+#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
+#endif /* !defined(FIONREAD) || !defined(FIONBIO) */
+
+#ifndef FIONREAD
+#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */
+#endif
+#ifndef FIONBIO
+#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */
+#endif
+
+/* Socket I/O Controls: unimplemented */
+#ifndef SIOCSHIWAT
+#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */
+#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */
+#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */
+#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */
+#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */
+#endif
+
+/* commands for fnctl */
+#ifndef F_GETFL
+#define F_GETFL 3
+#endif
+#ifndef F_SETFL
+#define F_SETFL 4
+#endif
+
+/* File status flags and file access modes for fnctl,
+ these are bits in an int. */
+#ifndef O_NONBLOCK
+#define O_NONBLOCK 1 /* nonblocking I/O */
+#endif
+#ifndef O_NDELAY
+#define O_NDELAY 1 /* same as O_NONBLOCK, for compatibility */
+#endif
+
+#ifndef SHUT_RD
+ #define SHUT_RD 0
+ #define SHUT_WR 1
+ #define SHUT_RDWR 2
+#endif
+
+/* FD_SET used for lwip_select */
+#ifndef FD_SET
+#undef FD_SETSIZE
+/* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
+#define FD_SETSIZE MEMP_NUM_NETCONN
+#define FDSETSAFESET(n, code) do { \
+ if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \
+ code; }} while(0)
+#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
+ (code) : 0)
+#define FD_SET(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |= (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_CLR(n, p) FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] & (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_ZERO(p) memset((void*)(p), 0, sizeof(*(p)))
+
+typedef struct fd_set
+{
+ unsigned char fd_bits [(FD_SETSIZE+7)/8];
+} fd_set;
+
+#elif LWIP_SOCKET_OFFSET
+#error LWIP_SOCKET_OFFSET does not work with external FD_SET!
+#elif FD_SETSIZE < MEMP_NUM_NETCONN
+#error "external FD_SETSIZE too small for number of sockets"
+#endif /* FD_SET */
+
+/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided
+ * by your system, set this to 0 and include <sys/time.h> in cc.h */
+#ifndef LWIP_TIMEVAL_PRIVATE
+#define LWIP_TIMEVAL_PRIVATE 1
+#endif
+
+#if LWIP_TIMEVAL_PRIVATE
+struct timeval {
+ long tv_sec; /* seconds */
+ long tv_usec; /* and microseconds */
+};
+#endif /* LWIP_TIMEVAL_PRIVATE */
+
+#define lwip_socket_init() /* Compatibility define, no init needed. */
+void lwip_socket_thread_init(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: initialize thread-local semaphore */
+void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destroy thread-local semaphore */
+
+#if LWIP_COMPAT_SOCKETS == 2
+/* This helps code parsers/code completion by not having the COMPAT functions as defines */
+#define lwip_accept accept
+#define lwip_bind bind
+#define lwip_shutdown shutdown
+#define lwip_getpeername getpeername
+#define lwip_getsockname getsockname
+#define lwip_setsockopt setsockopt
+#define lwip_getsockopt getsockopt
+#define lwip_close closesocket
+#define lwip_connect connect
+#define lwip_listen listen
+#define lwip_recv recv
+#define lwip_recvfrom recvfrom
+#define lwip_send send
+#define lwip_sendmsg sendmsg
+#define lwip_sendto sendto
+#define lwip_socket socket
+#define lwip_select select
+#define lwip_ioctlsocket ioctl
+
+#if LWIP_POSIX_SOCKETS_IO_NAMES
+#define lwip_read read
+#define lwip_write write
+#define lwip_writev writev
+#undef lwip_close
+#define lwip_close close
+#define closesocket(s) close(s)
+#define lwip_fcntl fcntl
+#define lwip_ioctl ioctl
+#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
+#endif /* LWIP_COMPAT_SOCKETS == 2 */
+
+int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen);
+int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_shutdown(int s, int how);
+int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen);
+int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen);
+int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen);
+int lwip_close(int s);
+int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
+int lwip_listen(int s, int backlog);
+int lwip_recv(int s, void *mem, size_t len, int flags);
+int lwip_read(int s, void *mem, size_t len);
+int lwip_recvfrom(int s, void *mem, size_t len, int flags,
+ struct sockaddr *from, socklen_t *fromlen);
+int lwip_send(int s, const void *dataptr, size_t size, int flags);
+int lwip_sendmsg(int s, const struct msghdr *message, int flags);
+int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
+ const struct sockaddr *to, socklen_t tolen);
+int lwip_socket(int domain, int type, int protocol);
+int lwip_write(int s, const void *dataptr, size_t size);
+int lwip_writev(int s, const struct iovec *iov, int iovcnt);
+int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
+ struct timeval *timeout);
+int lwip_ioctl(int s, long cmd, void *argp);
+int lwip_fcntl(int s, int cmd, int val);
+
+#if LWIP_COMPAT_SOCKETS
+#if LWIP_COMPAT_SOCKETS != 2
+/** @ingroup socket */
+#define accept(s,addr,addrlen) lwip_accept(s,addr,addrlen)
+/** @ingroup socket */
+#define bind(s,name,namelen) lwip_bind(s,name,namelen)
+/** @ingroup socket */
+#define shutdown(s,how) lwip_shutdown(s,how)
+/** @ingroup socket */
+#define getpeername(s,name,namelen) lwip_getpeername(s,name,namelen)
+/** @ingroup socket */
+#define getsockname(s,name,namelen) lwip_getsockname(s,name,namelen)
+/** @ingroup socket */
+#define setsockopt(s,level,optname,opval,optlen) lwip_setsockopt(s,level,optname,opval,optlen)
+/** @ingroup socket */
+#define getsockopt(s,level,optname,opval,optlen) lwip_getsockopt(s,level,optname,opval,optlen)
+/** @ingroup socket */
+#define closesocket(s) lwip_close(s)
+/** @ingroup socket */
+#define connect(s,name,namelen) lwip_connect(s,name,namelen)
+/** @ingroup socket */
+#define listen(s,backlog) lwip_listen(s,backlog)
+/** @ingroup socket */
+#define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags)
+/** @ingroup socket */
+#define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen)
+/** @ingroup socket */
+#define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags)
+/** @ingroup socket */
+#define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags)
+/** @ingroup socket */
+#define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen)
+/** @ingroup socket */
+#define socket(domain,type,protocol) lwip_socket(domain,type,protocol)
+/** @ingroup socket */
+#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)
+/** @ingroup socket */
+#define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp)
+
+#if LWIP_POSIX_SOCKETS_IO_NAMES
+/** @ingroup socket */
+#define read(s,mem,len) lwip_read(s,mem,len)
+/** @ingroup socket */
+#define write(s,dataptr,len) lwip_write(s,dataptr,len)
+/** @ingroup socket */
+#define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt)
+/** @ingroup socket */
+#define close(s) lwip_close(s)
+/** @ingroup socket */
+#define fcntl(s,cmd,val) lwip_fcntl(s,cmd,val)
+/** @ingroup socket */
+#define ioctl(s,cmd,argp) lwip_ioctl(s,cmd,argp)
+#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */
+#endif /* LWIP_COMPAT_SOCKETS != 2 */
+
+#if LWIP_IPV4 && LWIP_IPV6
+/** @ingroup socket */
+#define inet_ntop(af,src,dst,size) \
+ (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) \
+ : (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL))
+/** @ingroup socket */
+#define inet_pton(af,src,dst) \
+ (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) \
+ : (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0))
+#elif LWIP_IPV4 /* LWIP_IPV4 && LWIP_IPV6 */
+#define inet_ntop(af,src,dst,size) \
+ (((af) == AF_INET) ? ip4addr_ntoa_r((const ip4_addr_t*)(src),(dst),(size)) : NULL)
+#define inet_pton(af,src,dst) \
+ (((af) == AF_INET) ? ip4addr_aton((src),(ip4_addr_t*)(dst)) : 0)
+#else /* LWIP_IPV4 && LWIP_IPV6 */
+#define inet_ntop(af,src,dst,size) \
+ (((af) == AF_INET6) ? ip6addr_ntoa_r((const ip6_addr_t*)(src),(dst),(size)) : NULL)
+#define inet_pton(af,src,dst) \
+ (((af) == AF_INET6) ? ip6addr_aton((src),(ip6_addr_t*)(dst)) : 0)
+#endif /* LWIP_IPV4 && LWIP_IPV6 */
+
+#endif /* LWIP_COMPAT_SOCKETS */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_SOCKET */
+
+#endif /* LWIP_HDR_SOCKETS_H */