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xiuos/Ubiquitous/XiUOS/resources/ethernet/LwIP/include/lwip/sockets.h

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/**
* @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/netif.h"
#include "lwip/err.h"
#include "lwip/inet.h"
#include "lwip/errno.h"
#include <string.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
#if !defined IOV_MAX
#define IOV_MAX 0xFFFF
#elif IOV_MAX > 0xFFFF
#error "IOV_MAX larger than supported by LwIP"
#endif /* IOV_MAX */
#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;
};
/* struct msghdr->msg_flags bit field values */
#define MSG_TRUNC 0x04
#define MSG_CTRUNC 0x08
/* RFC 3542, Section 20: Ancillary Data */
struct cmsghdr {
socklen_t cmsg_len; /* number of bytes, including header */
int cmsg_level; /* originating protocol */
int cmsg_type; /* protocol-specific type */
};
/* Data section follows header and possible padding, typically referred to as
unsigned char cmsg_data[]; */
/* cmsg header/data alignment. NOTE: we align to native word size (double word
size on 16-bit arch) so structures are not placed at an unaligned address.
16-bit arch needs double word to ensure 32-bit alignment because socklen_t
could be 32 bits. If we ever have cmsg data with a 64-bit variable, alignment
will need to increase long long */
#define ALIGN_H(size) (((size) + sizeof(long) - 1U) & ~(sizeof(long)-1U))
#define ALIGN_D(size) ALIGN_H(size)
#define CMSG_FIRSTHDR(mhdr) \
((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
(struct cmsghdr *)(mhdr)->msg_control : \
(struct cmsghdr *)NULL)
#define CMSG_NXTHDR(mhdr, cmsg) \
(((cmsg) == NULL) ? CMSG_FIRSTHDR(mhdr) : \
(((u8_t *)(cmsg) + ALIGN_H((cmsg)->cmsg_len) \
+ ALIGN_D(sizeof(struct cmsghdr)) > \
(u8_t *)((mhdr)->msg_control) + (mhdr)->msg_controllen) ? \
(struct cmsghdr *)NULL : \
(struct cmsghdr *)((void*)((u8_t *)(cmsg) + \
ALIGN_H((cmsg)->cmsg_len)))))
#define CMSG_DATA(cmsg) ((void*)((u8_t *)(cmsg) + \
ALIGN_D(sizeof(struct cmsghdr))))
#define CMSG_SPACE(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
ALIGN_H(length))
#define CMSG_LEN(length) (ALIGN_D(sizeof(struct cmsghdr)) + \
length)
/* Set socket options argument */
#define IFNAMSIZ NETIF_NAMESIZE
struct ifreq {
char ifr_name[IFNAMSIZ]; /* Interface name */
};
/* 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 */
#define SO_BINDTODEVICE 0x100b /* bind to device */
/*
* 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 */
#define MSG_NOSIGNAL 0x20 /* Uninmplemented: Requests not to send the SIGPIPE signal if an attempt to send is made on a stream-oriented socket that is no longer connected. */
/*
* Options for level IPPROTO_IP
*/
#define IP_TOS 1
#define IP_TTL 2
#define IP_PKTINFO 8
#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 */
#if LWIP_IPV4
struct in_pktinfo {
unsigned int ipi_ifindex; /* Interface index */
struct in_addr ipi_addr; /* Destination (from header) address */
};
#endif /* LWIP_IPV4 */
#if LWIP_IPV6_MLD
/*
* Options and types related to IPv6 multicast membership
*/
#define IPV6_JOIN_GROUP 12
#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
#define IPV6_LEAVE_GROUP 13
#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
typedef struct ipv6_mreq {
struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */
unsigned int ipv6mr_interface; /* interface index, or 0 */
} ipv6_mreq;
#endif /* LWIP_IPV6_MLD */
/*
* 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) ((long)(IOC_VOID|((x)<<8)|(y)))
#define _IOR(x,y,t) ((long)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)))
#define _IOW(x,y,t) ((long)(IOC_IN|((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 O_NONBLOCK /* same as O_NONBLOCK, for compatibility */
#endif
#ifndef O_RDONLY
#define O_RDONLY 2
#endif
#ifndef O_WRONLY
#define O_WRONLY 4
#endif
#ifndef O_RDWR
#define O_RDWR (O_RDONLY|O_WRONLY)
#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 LWIP_SELECT_MAXNFDS (FD_SETSIZE + LWIP_SOCKET_OFFSET)
#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] = (u8_t)((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] = (u8_t)((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 FD_SETSIZE < (LWIP_SOCKET_OFFSET + MEMP_NUM_NETCONN)
#error "external FD_SETSIZE too small for number of sockets"
#else
#define LWIP_SELECT_MAXNFDS FD_SETSIZE
#endif /* FD_SET */
/* poll-related defines and types */
/* @todo: find a better way to guard the definition of these defines and types if already defined */
#if !defined(POLLIN) && !defined(POLLOUT)
#define POLLIN 0x1
#define POLLOUT 0x2
#define POLLERR 0x4
#define POLLNVAL 0x8
/* Below values are unimplemented */
#define POLLRDNORM 0x10
#define POLLRDBAND 0x20
#define POLLPRI 0x40
#define POLLWRNORM 0x80
#define POLLWRBAND 0x100
#define POLLHUP 0x200
typedef unsigned int nfds_t;
struct pollfd
{
int fd;
short events;
short revents;
};
#endif
/** 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_recvmsg recvmsg
#define lwip_recvfrom recvfrom
#define lwip_send send
#define lwip_sendmsg sendmsg
#define lwip_sendto sendto
#define lwip_socket socket
#if LWIP_SOCKET_SELECT
#define lwip_select select
#endif
#if LWIP_SOCKET_POLL
#define lwip_poll poll
#endif
#define lwip_ioctl ioctlsocket
#define lwip_inet_ntop inet_ntop
#define lwip_inet_pton inet_pton
#if LWIP_POSIX_SOCKETS_IO_NAMES
#define lwip_read read
#define lwip_readv readv
#define lwip_write write
#define lwip_writev writev
#undef lwip_close
#define lwip_close close
#define closesocket(s) close(s)
int fcntl(int s, int cmd, ...);
#undef lwip_ioctl
#define lwip_ioctl ioctl
#define ioctlsocket 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);
ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
ssize_t lwip_read(int s, void *mem, size_t len);
ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
ssize_t lwip_send(int s, const void *dataptr, size_t size, int flags);
ssize_t lwip_sendmsg(int s, const struct msghdr *message, int flags);
ssize_t 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);
ssize_t lwip_write(int s, const void *dataptr, size_t size);
ssize_t lwip_writev(int s, const struct iovec *iov, int iovcnt);
#if LWIP_SOCKET_SELECT
int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
struct timeval *timeout);
#endif
#if LWIP_SOCKET_POLL
int lwip_poll(struct pollfd *fds, nfds_t nfds, int timeout);
#endif
int lwip_ioctl(int s, long cmd, void *argp);
int lwip_fcntl(int s, int cmd, int val);
const char *lwip_inet_ntop(int af, const void *src, char *dst, socklen_t size);
int lwip_inet_pton(int af, const char *src, void *dst);
#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 recvmsg(s,message,flags) lwip_recvmsg(s,message,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)
#if LWIP_SOCKET_SELECT
/** @ingroup socket */
#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)
#endif
#if LWIP_SOCKET_POLL
/** @ingroup socket */
#define poll(fds,nfds,timeout) lwip_poll(fds,nfds,timeout)
#endif
/** @ingroup socket */
#define ioctlsocket(s,cmd,argp) lwip_ioctl(s,cmd,argp)
/** @ingroup socket */
#define inet_ntop(af,src,dst,size) lwip_inet_ntop(af,src,dst,size)
/** @ingroup socket */
#define inet_pton(af,src,dst) lwip_inet_pton(af,src,dst)
#if LWIP_POSIX_SOCKETS_IO_NAMES
/** @ingroup socket */
#define read(s,mem,len) lwip_read(s,mem,len)
/** @ingroup socket */
#define readv(s,iov,iovcnt) lwip_readv(s,iov,iovcnt)
/** @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 */
#endif /* LWIP_COMPAT_SOCKETS */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SOCKET */
#endif /* LWIP_HDR_SOCKETS_H */
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