/*  					W3C Sample Code Library libwww Generic Network Communication!  Generic Network Communication!*//***	(c) COPYRIGHT MIT 1995.**	Please first read the full copyright statement in the file COPYRIGH.*//*This module has the common code for handling typical Internet functions likegetting the name of the local host, getting the domain name and email addressof user, parsing error codes returned in errno or equivalentetc.This module is implemented by HTInet.c, and it isa part of the W3C Sample Code Library.*/#ifndef HTINET_H#define HTINET_H#include "HTReq.h"#include "HTHstMan.h"/*(  System Description of Error Message)Return error message corresponding to errno number given. We need to passthe error number as a parameter as we on some platforms get different codesfrom sockets and local file access.*/extern char * HTErrnoString	(int errnum);extern int HTInetStatus		(int errnum, char * where);/*(  Parse a Cardinal Value)Converts a string to a cardinal value. On entry: *pp points to first characterto be interpreted, terminated by non 0..9 character. *pstatus points to statusalready valid, maxvalue gives the largest allowable value. On exit: *pp pointsto first unread character, *pstatus points to status updated iff bad*/extern unsigned int HTCardinal (int *		pstatus,				char **		pp,				unsigned int	max_value);/*(  Produce a string for an internet address)This function is equivalent to the BSD system call inet_ntoa in thatit converts a numeric 32-bit IP-address to a dotted-notation decimal string.The pointer returned points to static memory which must be copied if it isto be kept.*/extern const char * HTInetString (struct sockaddr_in * sin);/*(  Parse a network node address and port)It is assumed that any portnumber and numeric host address is given in decimalnotation. Separation character is '.' Any port number given in host nameoverrides all other values. 'host' might be modified.*/extern int HTParseInet (HTHost * host, char * hostname, HTRequest * request);/*(  Timezone Offset)Calculates the offset from GMT in seconds.*/extern time_t HTGetTimeZoneOffset (void);/*(  Get Time of day in Milli Seconds)Return the time of day in milli seconds.*/extern ms_t HTGetTimeInMillis (void);/*(  FQDN of this Host)This function returns a the name of this host or NULL if not available. Thename is stored in a static variable.*/extern char * HTGetHostName (void);/*(  User Email Address)This functions returns a char pointer to a static location containing themail address of the current user. The static location is different from theone of the current host name so different values can be assigned. The defaultvalue is <USER>@hostname where hostname is as returnedby HTGetHostName().*/#ifndef HT_DEFAULT_LOGIN#define HT_DEFAULT_LOGIN	"libwww"#endifextern char * HTGetMailAddress (void);/*(  News server)The default news host is "news" but you can get ans set the value here.*/extern char * HTGetNewsServer (void);/*(  Get a Temporary File Name)HTGetTmpFileName() allows the user to control the choice of a directory.The argument dir points to the name of the directory in which the file isto be created. This is equivalent to tempnam() function.*/extern char * HTGetTmpFileName (const char * dir);/*(  Signal Handling)This is only necessary to compile on a few platforms and only if the applicationdoes not have its own signal handling. It is required on Solaris 2.3 (andother SVR4 platforms?) due to a bug in the TCP kernel. When aconnect() is tried to a illegal port, solaris gives a SIGPIPEsignal instead of returning Connection refused.*/#ifdef WWWLIB_SIGextern void HTSetSignal (void);#endif#endif   /* HTINET_H *//*    @(#) $Id: HTInet.html,v 2.11 1998/09/22 23:56:01 frystyk Exp $*/