eudora-mac/Include/tcp.h

/* Copyright (c) 2017, Computer History Museum 
All rights reserved. 
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 * 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. 
 * Neither the name of Computer History Museum nor the names of its contributors may be used to endorse or promote products 
   derived from this software without specific prior written permission. 
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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#ifndef TCP_H
#define TCP_H

/* Copyright (c) 1990-1992 by the University of Illinois Board of Trustees */
/************************************************************************
 * declarations for dealing with tcp streams
 ************************************************************************/

enum {
	NUM_ALT_ADDRS				= 4
};

struct hostInfo {
	long							rtnCode;
	char							cname[255];
	SInt8							filler;						/* Filler for proper byte alignment	 */
	unsigned long					addr[NUM_ALT_ADDRS];
};
typedef struct hostInfo hostInfo;

typedef struct HIQ HostInfoQ, *HostInfoQPtr, **HostInfoQHandle;
struct HIQ
{
	HostInfoQHandle next;
	struct hostInfo hi;
	short done;
	Boolean inUse;
};

void TcpFastFlush(Boolean destroy);

int GetTCPStatus(TransStream stream,TCPiopb *pb);
OSErr GetHostByAddr(struct hostInfo *hi, long addr);
int GetHostByName(UPtr name, struct hostInfo **hostInfoPtr);
OSErr GetMyHostid(uLong *myAddr,uLong *myMask);
Boolean SplitPort(PStr host,long *port);


// These are PPP error codes, not yet defined in the OT Headers.  
// Remove these once the OT/PPP header is finalized.

#define	kCCLErrorBaseCode				-6000
#define	kCCLErrorAbortMatchRead			kCCLErrorBaseCode			// internal error used to abort match read
#define	kCCLErrorGeneric				(kCCLErrorBaseCode - 2)		// CCL error base
#define	kCCLErrorSubroutineOverFlow		(kCCLErrorBaseCode - 3)		// target label undefined
#define	kCCLErrorLabelUndefined			(kCCLErrorBaseCode - 4)		// target label undefined
#define	kCCLErrorBadParameter			(kCCLErrorBaseCode - 5)		// bad parameter error
#define	kCCLErrorDuplicateLabel			(kCCLErrorBaseCode - 6)		// duplicate label error
#define kCCLErrorCloseError				(kCCLErrorBaseCode - 7)		// There is at least one script open
#define kCCLErrorScriptCancelled		(kCCLErrorBaseCode - 8)		// Script Canceled
#define	kCCLErrorTooManyLines			(kCCLErrorBaseCode - 9)		// Script contains too many lines
#define kCCLErrorScriptTooBig			(kCCLErrorBaseCode - 10)	// Script contains too many characters
#define	kCCLErrorNotInitialized			(kCCLErrorBaseCode - 11)	// CCL has not been initialized
#define	kCCLErrorCancelInProgress		(kCCLErrorBaseCode - 12)	// Cancel in progress.
#define	kCCLErrorPlayInProgress			(kCCLErrorBaseCode - 13)	// Play command already in progress.
#define	kCCLErrorExitOK					(kCCLErrorBaseCode - 14)	// Exit with no error.
#define	kCCLErrorLabelOutOfRange		(kCCLErrorBaseCode - 15)	// Label out of rang