winsock2.h

MinGW+MSYS开发必用的api参考

/*

  Definitions for winsock 2

  Contributed by the WINE project.

  Portions Copyright (c) 1980, 1983, 1988, 1993
  The Regents of the University of California.  All rights reserved.

  Portions Copyright (c) 1993 by Digital Equipment Corporation.
 */

#if !(defined _WINSOCK2_H || defined _WINSOCK_H)
#define _WINSOCK2_H
#define _WINSOCK_H /* to prevent later inclusion of winsock.h */
#if __GNUC__ >= 3
#pragma GCC system_header
#endif

#define _GNU_H_WINDOWS32_SOCKETS

#include <windows.h>

#ifndef WINSOCK_API_LINKAGE
#ifdef __W32API_USE_DLLIMPORT__
#define WINSOCK_API_LINKAGE DECLSPEC_IMPORT
#else
#define WINSOCK_API_LINKAGE
#endif
#endif

#ifdef __cplusplus
extern "C" {
#endif
/*   Names common to Winsock1.1 and Winsock2  */
#if !defined ( _BSDTYPES_DEFINED )
/* also defined in gmon.h and in cygwin's sys/types */
typedef unsigned char	u_char;
typedef unsigned short	u_short;
typedef unsigned int	u_int;
typedef unsigned long	u_long;
#define _BSDTYPES_DEFINED
#endif /* ! def _BSDTYPES_DEFINED  */
typedef u_int	SOCKET;
#ifndef FD_SETSIZE
#define FD_SETSIZE	64
#endif

/* shutdown() how types */
#define SD_RECEIVE      0x00
#define SD_SEND         0x01
#define SD_BOTH         0x02

#ifndef _SYS_TYPES_FD_SET
/* fd_set may be defined by the newlib <sys/types.h>
 * if __USE_W32_SOCKETS not defined.
 */
#ifdef fd_set
#undef fd_set
#endif
typedef struct fd_set {
	u_int   fd_count;
	SOCKET  fd_array[FD_SETSIZE];
} fd_set;
int PASCAL __WSAFDIsSet(SOCKET,fd_set*);
#ifndef FD_CLR
#define FD_CLR(fd,set) do { u_int __i;\
for (__i = 0; __i < ((fd_set *)(set))->fd_count ; __i++) {\
	if (((fd_set *)(set))->fd_array[__i] == (fd)) {\
	while (__i < ((fd_set *)(set))->fd_count-1) {\
		((fd_set*)(set))->fd_array[__i] = ((fd_set*)(set))->fd_array[__i+1];\
		__i++;\
	}\
	((fd_set*)(set))->fd_count--;\
	break;\
	}\
}\
} while (0)
#endif
#ifndef FD_SET
/* this differs from the define in winsock.h and in cygwin sys/types.h */
#define FD_SET(fd, set) do { u_int __i;\
for (__i = 0; __i < ((fd_set *)(set))->fd_count ; __i++) {\
	if (((fd_set *)(set))->fd_array[__i] == (fd)) {\
		break;\
	}\
}\
if (__i == ((fd_set *)(set))->fd_count) {\
	if (((fd_set *)(set))->fd_count < FD_SETSIZE) {\
		((fd_set *)(set))->fd_array[__i] = (fd);\
		((fd_set *)(set))->fd_count++;\
	}\
}\
} while(0)
#endif
#ifndef FD_ZERO
#define FD_ZERO(set) (((fd_set *)(set))->fd_count=0)
#endif
#ifndef FD_ISSET
#define FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)(fd), (fd_set *)(set))
#endif
#elif !defined (USE_SYS_TYPES_FD_SET)
#warning "fd_set and associated macros have been defined in sys/types.  \
    This may cause runtime problems with W32 sockets"
#endif /* ndef _SYS_TYPES_FD_SET */
#if !(defined (__INSIDE_CYGWIN__) || (__INSIDE_MSYS__))
#ifndef _TIMEVAL_DEFINED /* also in sys/time.h */
#define _TIMEVAL_DEFINED
struct timeval {
	long    tv_sec;
	long    tv_usec;
};
#define timerisset(tvp)	 ((tvp)->tv_sec || (tvp)->tv_usec)
#define timercmp(tvp, uvp, cmp) \
	(((tvp)->tv_sec != (uvp)->tv_sec) ? \
	((tvp)->tv_sec cmp (uvp)->tv_sec) : \
	((tvp)->tv_usec cmp (uvp)->tv_usec))
#define timerclear(tvp)	 (tvp)->tv_sec = (tvp)->tv_usec = 0
#endif /* _TIMEVAL_DEFINED */
struct  hostent {
	char	*h_name;
	char	**h_aliases;
	short	h_addrtype;
	short	h_length;
	char	**h_addr_list;
#define h_addr h_addr_list[0]
};
struct linger {
	u_short l_onoff;
	u_short l_linger;
};
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */
#define IOCPARM_MASK	0x7f
#define IOC_VOID	0x20000000
#define IOC_OUT	0x40000000
#define IOC_IN	0x80000000
#define IOC_INOUT	(IOC_IN|IOC_OUT)

#if ! (defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
#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))
#define FIONBIO	_IOW('f', 126, u_long)
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */

#define FIONREAD	_IOR('f', 127, u_long)
#define FIOASYNC	_IOW('f', 125, u_long)
#define SIOCSHIWAT	_IOW('s',  0, u_long)
#define SIOCGHIWAT	_IOR('s',  1, u_long)
#define SIOCSLOWAT	_IOW('s',  2, u_long)
#define SIOCGLOWAT	_IOR('s',  3, u_long)
#define SIOCATMARK	_IOR('s',  7, u_long)

#if ! (defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
struct netent {
	char	* n_name;
	char	**n_aliases;
	short	n_addrtype;
	u_long n_net;
};
struct  servent {
	char	*s_name;
	char	**s_aliases;
	short	s_port;
	char	*s_proto;
};
struct  protoent {
	char	*p_name;
	char	**p_aliases;
	short	p_proto;
};
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */

#define IPPROTO_IP	0
#define IPPROTO_ICMP 1
#define IPPROTO_IGMP 2
#define IPPROTO_GGP 3
#define IPPROTO_TCP	6
#define IPPROTO_PUP	12
#define IPPROTO_UDP	17
#define IPPROTO_IDP	22
#define IPPROTO_ND	77
#define IPPROTO_RAW	255
#define IPPROTO_MAX	256
/* IPv6 options */
#define IPPROTO_HOPOPTS		0  /* IPv6 Hop-by-Hop options */
#define IPPROTO_IPV6		41 /* IPv6 header */
#define IPPROTO_ROUTING		43 /* IPv6 Routing header */
#define IPPROTO_FRAGMENT	44 /* IPv6 fragmentation header */
#define IPPROTO_ESP		50 /* encapsulating security payload */
#define IPPROTO_AH		51 /* authentication header */
#define IPPROTO_ICMPV6		58 /* ICMPv6 */
#define IPPROTO_NONE		59 /* IPv6 no next header */
#define IPPROTO_DSTOPTS		60 /* IPv6 Destination options */
#define IPPORT_ECHO	7
#define IPPORT_DISCARD	9
#define IPPORT_SYSTAT	11
#define IPPORT_DAYTIME  13
#define IPPORT_NETSTAT  15
#define IPPORT_FTP      21
#define IPPORT_TELNET   23
#define IPPORT_SMTP     25
#define IPPORT_TIMESERVER 37
#define IPPORT_NAMESERVER 42
#define IPPORT_WHOIS	43
#define IPPORT_MTP	57
#define IPPORT_TFTP	69
#define IPPORT_RJE	77
#define IPPORT_FINGER	79
#define IPPORT_TTYLINK	87
#define IPPORT_SUPDUP	95
#define IPPORT_EXECSERVER	512
#define IPPORT_LOGINSERVER	513
#define IPPORT_CMDSERVER	514
#define IPPORT_EFSSERVER	520
#define IPPORT_BIFFUDP	512
#define IPPORT_WHOSERVER	513
#define IPPORT_ROUTESERVER	520
#define IPPORT_RESERVED	1024
#define IMPLINK_IP	155
#define IMPLINK_LOWEXPER	156
#define IMPLINK_HIGHEXPER       158
struct in_addr {
	union {
		struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
		struct { u_short s_w1,s_w2; } S_un_w;
		u_long S_addr;
	} S_un;
#define s_addr  S_un.S_addr
#define s_host  S_un.S_un_b.s_b2
#define s_net   S_un.S_un_b.s_b1
#define s_imp   S_un.S_un_w.s_w2
#define s_impno S_un.S_un_b.s_b4
#define s_lh    S_un.S_un_b.s_b3
};
#define IN_CLASSA(i)	(((long)(i)&0x80000000) == 0)
#define IN_CLASSA_NET	0xff000000
#define IN_CLASSA_NSHIFT	24
#define IN_CLASSA_HOST	0x00ffffff
#define IN_CLASSA_MAX	128
#define IN_CLASSB(i)	(((long)(i)&0xc0000000)==0x80000000)
#define IN_CLASSB_NET	   0xffff0000
#define IN_CLASSB_NSHIFT	16
#define IN_CLASSB_HOST	  0x0000ffff
#define IN_CLASSB_MAX	   65536
#define IN_CLASSC(i)	(((long)(i)&0xe0000000)==0xc0000000)
#define IN_CLASSC_NET	   0xffffff00
#define IN_CLASSC_NSHIFT	8
#define IN_CLASSC_HOST	  0xff
#define INADDR_ANY	      (u_long)0
#define INADDR_LOOPBACK	 0x7f000001
#define INADDR_BROADCAST	(u_long)0xffffffff
#define INADDR_NONE	0xffffffff
struct sockaddr_in {
	short	sin_family;
	u_short	sin_port;
	struct	in_addr sin_addr;
	char	sin_zero[8];
};
#define WSADESCRIPTION_LEN	256
#define WSASYS_STATUS_LEN	128
typedef struct WSAData {
	WORD	wVersion;
	WORD	wHighVersion;
	char	szDescription[WSADESCRIPTION_LEN+1];
	char	szSystemStatus[WSASYS_STATUS_LEN+1];
	unsigned short	iMaxSockets;
	unsigned short	iMaxUdpDg;
	char * 	lpVendorInfo;
} WSADATA;
typedef WSADATA *LPWSADATA;

#if ! (defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
#define IP_OPTIONS	1
#define SO_DEBUG	1
#define SO_ACCEPTCONN	2
#define SO_REUSEADDR	4
#define SO_KEEPALIVE	8
#define SO_DONTROUTE	16
#define SO_BROADCAST	32
#define SO_USELOOPBACK	64
#define SO_LINGER	128
#define SO_OOBINLINE	256
#define SO_DONTLINGER	(u_int)(~SO_LINGER)
#define SO_EXCLUSIVEADDRUSE ((u_int)(~SO_REUSEADDR))
#define SO_SNDBUF	0x1001
#define SO_RCVBUF	0x1002
#define SO_SNDLOWAT	0x1003
#define SO_RCVLOWAT	0x1004
#define SO_SNDTIMEO	0x1005
#define SO_RCVTIMEO	0x1006
#define SO_ERROR	0x1007
#define SO_TYPE	0x1008
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */

#define INVALID_SOCKET (SOCKET)(~0)
#define SOCKET_ERROR	(-1)
#define SOCK_STREAM	1
#define SOCK_DGRAM	2
#define SOCK_RAW	3
#define SOCK_RDM	4
#define SOCK_SEQPACKET	5
#define TCP_NODELAY	0x0001
#define AF_UNSPEC	0
#define AF_UNIX	1
#define AF_INET	2
#define AF_IMPLINK	3
#define AF_PUP	4
#define AF_CHAOS	5
#define AF_IPX	6
#define AF_NS	6
#define AF_ISO	7
#define AF_OSI	AF_ISO
#define AF_ECMA	8
#define AF_DATAKIT	9
#define AF_CCITT	10
#define AF_SNA	11
#define AF_DECnet	12
#define AF_DLI	13
#define AF_LAT	14
#define AF_HYLINK	15
#define AF_APPLETALK	16
#define AF_NETBIOS	17
#define AF_VOICEVIEW	18
#define	AF_FIREFOX	19
#define	AF_UNKNOWN1	20