1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* d4lib.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef D4LIB_H
#define D4LIB_H
#include "printer-io.h"
extern int debugD4; /* allow printout of debug informations */
extern int EnterIEEE(printer_descriptor *desc);
extern int Init(printer_descriptor *desc);
extern int Exit(printer_descriptor *desc);
extern int GetSocketID(printer_descriptor *desc, const char *serviceName);
extern int OpenChannel(printer_descriptor *desc, unsigned char sockId,
int *sndSz, int *rcvSz);
extern int CloseChannel(printer_descriptor *desc, unsigned char socketID);
extern int CreditRequest(printer_descriptor *desc, unsigned char socketID);
extern int Credit(printer_descriptor *desc, unsigned char socketID, int credit);
/* convenience function */
extern int SafeWrite(printer_descriptor *desc, void *data, int len);
extern int askForCredit(printer_descriptor *desc, unsigned char socketID,
int *sndSz, int *rcvSz);
extern int writeData(printer_descriptor *desc, unsigned char socketID,
const unsigned char *buf, int len, int eoj);
extern int readData(printer_descriptor *desc, unsigned char socketID,
unsigned char *buf, int len);
extern int readAnswer(printer_descriptor *desc, unsigned char *buf, int len);
extern void flushData(printer_descriptor *desc, unsigned char socketID);
extern void setDebug(int debug);
extern int d4WrTimeout;
extern int d4RdTimeout;
extern int ppid;
#ifdef D4_DEBUG
#define DEBUG 1
#endif
#endif
|
