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HTTCP.h
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C/C++ Source or Header
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1991-09-11
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2KB
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95 lines
/* Generic Communication Code HTTCP.h
** ==========================
**
** Requires tcp.h to be included first.
*/
#ifdef SHORT_NAMES
#define HTInetStatus HTInStat
#define HTInetString HTInStri
#define HTParseInet HTPaInet
#endif
/* Produce a string for an internet address
** ---------------------------------------
**
** On exit,
** returns a pointer to a static string which must be copied if
** it is to be kept.
*/
#ifdef __STDC__
extern const char * HTInetString(struct sockaddr_in* sin);
#else
extern char * HTInetString();
#endif
/* Encode INET status (as in sys/errno.h) inet_status()
** ------------------
**
** On entry,
** where gives a description of what caused the error
** global errno gives the error number in the unix way.
**
** On return,
** returns a negative status in the unix way.
*/
#ifdef __STDC__
extern int HTInetStatus(char *where);
#else
extern int HTInetStatus();
#endif
/* Publicly accesible variables
*/
extern struct sockaddr_in HTHostAddress;/* The internet address of the host */
/* Valid after call to HTHostName() */
/* Parse a cardinal value parse_cardinal()
** ----------------------
**
** On entry,
** *pp points to first character to be interpreted, terminated by
** non 0:9 character.
** *pstatus points to status already valid
** maxvalue gives the largest allowable value.
**
** On exit,
** *pp points to first unread character
** *pstatus points to status updated iff bad
*/
#ifdef __STDC__
extern unsigned int HTCardinal(int *pstatus,
char **pp,
unsigned int max_value);
#else
extern unsigned int HTCardinal();
#endif
/* Parse an internet node address and port
** ---------------------------------------
**
** On entry,
** str points to a string with a node name or number,
** with optional trailing colon and port number.
** sin points to the binary internet address field.
**
** On exit,
** *sin is filled in. If no port is specified in str, that
** field is left unchanged in *sin.
*/
#ifdef __STDC__
extern int HTParseInet(struct sockaddr_in* sin, const char *str);
#else
extern int HTParseInet();
#endif
/* Get Name of This Machine
** ------------------------
**
*/
#ifdef __STDC__
extern const char * HTHostName(void);
#else
extern char * HTHostName();
#endif