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📁 WinSock编程规范及应用
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<TITLE>附录B</TITLE>
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<B><FONT FACE="黑体" LANG="ZH-CN" SIZE=5><P><A NAME="_Toc336626936"><A NAME="_Toc336793019"><A NAME="_Toc336793495">附录</FONT><FONT FACE="Arial" SIZE=5>B.2 Windows Sockets 2</FONT><FONT FACE="黑体" LANG="ZH-CN" SIZE=5>头文件</A></A></A></P>
</B></FONT><FONT FACE="宋体" LANG="ZH-CN" SIZE=3><P ALIGN="JUSTIFY"></P>
</FONT><FONT SIZE=3><P ALIGN="JUSTIFY">/* Winsock2.h</FONT><FONT FACE="宋体" LANG="ZH-CN" SIZE=3>－</FONT><FONT SIZE=3>definitions to be used with the WinSock 2.0</P>
<P ALIGN="JUSTIFY">DLL and</P>
<P ALIGN="JUSTIFY"> *             WinSock 2.0 applications.</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> * This header file corresponds to version 2.0 of the</P>
<P ALIGN="JUSTIFY">WinSock specification.</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> * This file includes parts which are Copyright (c) 1982-</P>
<P ALIGN="JUSTIFY">1986 Regents</P>
<P ALIGN="JUSTIFY"> * of the University of California.  All rights reserved.</P>
<P ALIGN="JUSTIFY">The</P>
<P ALIGN="JUSTIFY"> * Berkeley Software License Agreement specifies the terms</P>
<P ALIGN="JUSTIFY">and</P>
<P ALIGN="JUSTIFY"> * conditions for redistribution.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#ifndef _WINSOCK2API_</P>
<P ALIGN="JUSTIFY">#define _WINSOCK2API_</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Pull in WINDOWS.H if necessary</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">#ifndef _INC_WINDOWS</P>
<P ALIGN="JUSTIFY">#include &lt;windows.h&gt;</P>
<P ALIGN="JUSTIFY">#endif /* _INC_WINDOWS */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Basic system type definitions, taken from the BSD file</P>
<P ALIGN="JUSTIFY">sys/types.h.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">typedef unsigned char   u_char;</P>
<P ALIGN="JUSTIFY">typedef unsigned short  u_short;</P>
<P ALIGN="JUSTIFY">typedef unsigned int    u_int;</P>
<P ALIGN="JUSTIFY">typedef unsigned long   u_long;</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * The new type to be used in all</P>
<P ALIGN="JUSTIFY"> * instances which refer to sockets.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">typedef u_int           SOCKET;</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Select uses arrays of SOCKETs.  These macros manipulate</P>
<P ALIGN="JUSTIFY">such</P>
<P ALIGN="JUSTIFY"> * arrays.  FD_SETSIZE may be defined by the user before</P>
<P ALIGN="JUSTIFY">including</P>
<P ALIGN="JUSTIFY"> * this file, but the default here should be &gt;= 64.</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> * CAVEAT IMPLEMENTOR and USER: THESE MACROS AND TYPES MUST</P>
<P ALIGN="JUSTIFY">BE</P>
<P ALIGN="JUSTIFY"> * INCLUDED IN WINSOCK.H EXACTLY AS SHOWN HERE.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">#ifndef FD_SETSIZE</P>
<P ALIGN="JUSTIFY">#define FD_SETSIZE      64</P>
<P ALIGN="JUSTIFY">#endif /* FD_SETSIZE */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">typedef struct fd_set {</P>
<P ALIGN="JUSTIFY">        u_short fd_count;               /* how many are SET?</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY">        SOCKET  fd_array[FD_SETSIZE];   /* an array of</P>
<P ALIGN="JUSTIFY">SOCKETs */</P>
<P ALIGN="JUSTIFY">} fd_set;</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">extern int PASCAL FAR __WSAFDIsSet(SOCKET, fd_set FAR *);</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define FD_CLR(fd, set) do { \</P>
<P ALIGN="JUSTIFY">    u_int __i; \</P>
<P ALIGN="JUSTIFY">    for (__i = 0; __i &lt; ((fd_set FAR *)(set))-&gt;fd_count ;</P>
<P ALIGN="JUSTIFY">__i++) { \</P>
<P ALIGN="JUSTIFY">        if (((fd_set FAR *)(set))-&gt;fd_array[__i] == fd) { \</P>
<P ALIGN="JUSTIFY">            while (__i &lt; ((fd_set FAR *)(set))-&gt;fd_count-1)</P>
<P ALIGN="JUSTIFY">{ \</P>
<P ALIGN="JUSTIFY">                ((fd_set FAR *)(set))-&gt;fd_array[__i] = \</P>
<P ALIGN="JUSTIFY">                    ((fd_set FAR *)(set))-&gt;fd_array[__i+1];</P>
<P ALIGN="JUSTIFY">\</P>
<P ALIGN="JUSTIFY">                __i++; \</P>
<P ALIGN="JUSTIFY">            } \</P>
<P ALIGN="JUSTIFY">            ((fd_set FAR *)(set))-&gt;fd_count</FONT><FONT FACE="宋体" LANG="ZH-CN" SIZE=3>－</FONT><FONT SIZE=3>; \</P>
<P ALIGN="JUSTIFY">            break; \</P>
<P ALIGN="JUSTIFY">        } \</P>
<P ALIGN="JUSTIFY">    } \</P>
<P ALIGN="JUSTIFY">} while(0)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define FD_SET(fd, set) do { \</P>
<P ALIGN="JUSTIFY">    if (((fd_set FAR *)(set))-&gt;fd_count &lt; FD_SETSIZE) \</P>
<P ALIGN="JUSTIFY">        ((fd_set FAR *)(set))-&gt;fd_array[((fd_set FAR</P>
<P ALIGN="JUSTIFY">*)(set))-&gt;fd_count++]=fd;\</P>
<P ALIGN="JUSTIFY">} while(0)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define FD_ZERO(set) (((fd_set FAR *)(set))-&gt;fd_count=0)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)fd, (fd_set</P>
<P ALIGN="JUSTIFY">FAR *)set)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Structure used in select() call, taken from the BSD file</P>
<P ALIGN="JUSTIFY">sys/time.h.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">struct timeval {</P>
<P ALIGN="JUSTIFY">        long    tv_sec;         /* seconds */</P>
<P ALIGN="JUSTIFY">        long    tv_usec;        /* and microseconds */</P>
<P ALIGN="JUSTIFY">};</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Operations on timevals.</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> * NB: timercmp does not work for &gt;= or &lt;=.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">#define timerisset(tvp)         ((tvp)-&gt;tv_sec || (tvp)-</P>
<P ALIGN="JUSTIFY">&gt;tv_usec)</P>
<P ALIGN="JUSTIFY">#define timercmp(tvp, uvp, cmp) \</P>
<P ALIGN="JUSTIFY">        ((tvp)-&gt;tv_sec cmp (uvp)-&gt;tv_sec || \</P>
<P ALIGN="JUSTIFY">         (tvp)-&gt;tv_sec == (uvp)-&gt;tv_sec &amp;&amp; (tvp)-&gt;tv_usec</P>
<P ALIGN="JUSTIFY">cmp (uvp)-&gt;tv_usec)</P>
<P ALIGN="JUSTIFY">#define timerclear(tvp)         (tvp)-&gt;tv_sec = (tvp)-</P>
<P ALIGN="JUSTIFY">&gt;tv_usec = 0</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Commands for ioctlsocket(),  taken from the BSD file</P>
<P ALIGN="JUSTIFY">fcntl.h.</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> *</P>
<P ALIGN="JUSTIFY"> * Ioctl's have the command encoded in the lower word,</P>
<P ALIGN="JUSTIFY"> * and the size of any in or out parameters in the upper</P>
<P ALIGN="JUSTIFY"> * word.  The high 2 bits of the upper word are used</P>
<P ALIGN="JUSTIFY"> * to encode the in/out status of the parameter; for now</P>
<P ALIGN="JUSTIFY"> * we restrict parameters to at most 128 bytes.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">#define IOCPARM_MASK    0x7f            /* parameters must</P>
<P ALIGN="JUSTIFY">be &lt; 128 bytes */</P>
<P ALIGN="JUSTIFY">#define IOC_VOID        0x20000000      /* no parameters */</P>
<P ALIGN="JUSTIFY">#define IOC_OUT         0x40000000      /* copy out</P>
<P ALIGN="JUSTIFY">parameters */</P>
<P ALIGN="JUSTIFY">#define IOC_IN          0x80000000      /* copy in</P>
<P ALIGN="JUSTIFY">parameters */</P>
<P ALIGN="JUSTIFY">#define IOC_INOUT       (IOC_IN|IOC_OUT)</P>
<P ALIGN="JUSTIFY">                                        /* 0x20000000</P>
<P ALIGN="JUSTIFY">distinguishes new &amp;</P>
<P ALIGN="JUSTIFY">                                           old ioctl's */</P>
<P ALIGN="JUSTIFY">#define _IO(x,y)        (IOC_VOID|(x&lt;&lt;8)|y)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define _IOR(x,y,t)</P>
<P ALIGN="JUSTIFY">(IOC_OUT|(((long)sizeof(t)&amp;IOCPARM_MASK)&lt;&lt;16)|(x&lt;&lt;8)|y)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define _IOW(x,y,t)</P>
<P ALIGN="JUSTIFY">(IOC_IN|(((long)sizeof(t)&amp;IOCPARM_MASK)&lt;&lt;16)|(x&lt;&lt;8)|y)</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">#define FIONREAD    _IOR('f', 127, u_long) /* get # bytes to</P>
<P ALIGN="JUSTIFY">read */</P>
<P ALIGN="JUSTIFY">#define FIONBIO     _IOW('f', 126, u_long) /* set/clear non-</P>
<P ALIGN="JUSTIFY">blocking i/o */</P>
<P ALIGN="JUSTIFY">#define FIOASYNC    _IOW('f', 125, u_long) /* set/clear</P>
<P ALIGN="JUSTIFY">async i/o */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/* Socket I/O Controls */</P>
<P ALIGN="JUSTIFY">#define SIOCSHIWAT  _IOW('s',  0, u_long)  /* set high</P>
<P ALIGN="JUSTIFY">watermark */</P>
<P ALIGN="JUSTIFY">#define SIOCGHIWAT  _IOR('s',  1, u_long)  /* get high</P>
<P ALIGN="JUSTIFY">watermark */</P>
<P ALIGN="JUSTIFY">#define SIOCSLOWAT  _IOW('s',  2, u_long)  /* set low</P>
<P ALIGN="JUSTIFY">watermark */</P>
<P ALIGN="JUSTIFY">#define SIOCGLOWAT  _IOR('s',  3, u_long)  /* get low</P>
<P ALIGN="JUSTIFY">watermark */</P>
<P ALIGN="JUSTIFY">#define SIOCATMARK  _IOR('s',  7, u_long)  /* at oob mark?</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Structures returned by network data base library, taken</P>
<P ALIGN="JUSTIFY">from the</P>
<P ALIGN="JUSTIFY"> * BSD file netdb.h.  All addresses are supplied in host</P>
<P ALIGN="JUSTIFY">order, and</P>
<P ALIGN="JUSTIFY"> * returned in network order (suitable for use in system</P>
<P ALIGN="JUSTIFY">calls).</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">struct  hostent {</P>
<P ALIGN="JUSTIFY">        char    FAR * h_name;           /* official name of</P>
<P ALIGN="JUSTIFY">host */</P>
<P ALIGN="JUSTIFY">        char    FAR * FAR * h_aliases;  /* alias list */</P>
<P ALIGN="JUSTIFY">        short   h_addrtype;             /* host address type</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY">        short   h_length;               /* length of address</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY">        char    FAR * FAR * h_addr_list; /* list of</P>
<P ALIGN="JUSTIFY">addresses */</P>
<P ALIGN="JUSTIFY">#define h_addr  h_addr_list[0]          /* address, for</P>
<P ALIGN="JUSTIFY">backward compat */</P>
<P ALIGN="JUSTIFY">};</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * It is assumed here that a network number</P>
<P ALIGN="JUSTIFY"> * fits in 32 bits.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">struct  netent {</P>
<P ALIGN="JUSTIFY">        char    FAR * n_name;           /* official name of</P>
<P ALIGN="JUSTIFY">net */</P>
<P ALIGN="JUSTIFY">        char    FAR * FAR * n_aliases;  /* alias list */</P>
<P ALIGN="JUSTIFY">        short   n_addrtype;             /* net address type</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY">        u_long  n_net;                  /* network # */</P>
<P ALIGN="JUSTIFY">};</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">struct  servent {</P>
<P ALIGN="JUSTIFY">        char    FAR * s_name;           /* official service</P>
<P ALIGN="JUSTIFY">name */</P>
<P ALIGN="JUSTIFY">        char    FAR * FAR * s_aliases;  /* alias list */</P>
<P ALIGN="JUSTIFY">        short   s_port;                 /* port # */</P>
<P ALIGN="JUSTIFY">        char    FAR * s_proto;          /* protocol to use</P>
<P ALIGN="JUSTIFY">*/</P>
<P ALIGN="JUSTIFY">};</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">struct  protoent {</P>
<P ALIGN="JUSTIFY">        char    FAR * p_name;           /* official protocol</P>
<P ALIGN="JUSTIFY">name */</P>
<P ALIGN="JUSTIFY">        char    FAR * FAR * p_aliases;  /* alias list */</P>
<P ALIGN="JUSTIFY">        short   p_proto;                /* protocol # */</P>
<P ALIGN="JUSTIFY">};</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Constants and structures defined by the internet system,</P>
<P ALIGN="JUSTIFY"> * Per RFC 790, September 1981, taken from the BSD file</P>
<P ALIGN="JUSTIFY">netinet/in.h.</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY"></P>
<P ALIGN="JUSTIFY">/*</P>
<P ALIGN="JUSTIFY"> * Protocols</P>
<P ALIGN="JUSTIFY"> */</P>
<P ALIGN="JUSTIFY">#define IPPROTO_IP              0               /* dummy for</P>
<P ALIGN="JUSTIFY">IP */</P>
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