1 /*
2  * Copyright (c) 1997  Metro Link Incorporated
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  *
22  * Except as contained in this notice, the name of the Metro Link shall not be
23  * used in advertising or otherwise to promote the sale, use or other dealings
24  * in this Software without prior written authorization from Metro Link.
25  *
26  */
27 
28 #ifndef	_xisb_H_
29 #define _xisb_H_
30 
31 #include <unistd.h>
32 
33 /******************************************************************************
34  *		Definitions
35  *									structs, typedefs, #defines, enums
36  *****************************************************************************/
37 
38 typedef struct _XISBuffer {
39     int fd;
40     int trace;
41     int block_duration;
42     ssize_t current;            /* bytes read */
43     ssize_t end;
44     ssize_t buffer_size;
45     unsigned char *buf;
46 } XISBuffer;
47 
48 /******************************************************************************
49  *		Declarations
50  *								variables:	use xisb_LOC in front
51  *											of globals.
52  *											put locals in the .c file.
53  *****************************************************************************/
54 extern _X_EXPORT XISBuffer *XisbNew(int fd, ssize_t size);
55 extern _X_EXPORT void XisbFree(XISBuffer * b);
56 extern _X_EXPORT int XisbRead(XISBuffer * b);
57 extern _X_EXPORT ssize_t XisbWrite(XISBuffer * b, unsigned char *msg,
58                                    ssize_t len);
59 extern _X_EXPORT void XisbTrace(XISBuffer * b, int trace);
60 extern _X_EXPORT void XisbBlockDuration(XISBuffer * b, int block_duration);
61 
62 /*
63  *	DO NOT PUT ANYTHING AFTER THIS ENDIF
64  */
65 #endif
66