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<TITLE>Int 7B
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<META NAME="Description" CONTENT="
Int 7B - Btrieve API (single user) -
DS:DX - 38-byte parameter record (see #03840)
Return: return code field set
Note: Btrieve sets low byte of vector to 33h; this serves as the installation
check
SeeAlso: INT 2F/AX=AB01h,INT 7F/AX=0200h
Format of Btrieve parameter record:
Offset Size Description (Table 03840)
00h DWORD pointer to data buffer
04h WORD data buffer length
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<h2>Int 7B
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<h3><font color=#C00040>Btrieve API (single user)</font></h3>
<PRE>
DS:DX -> 38-byte parameter record <a href="rb-7905.htm#Table3840" tppabs="http://www.ctyme.com/intr/rb-7905.htm#Table3840">(see #03840)</a><br>
<p><b>Return:</b><br>Return code field set
</PRE>
<p><b>Note:</b>
Btrieve sets low byte of vector to 33h; this serves as the installation
check
<p><b>See Also:</b>
<a href="rb-5125.htm" tppabs="http://www.ctyme.com/intr/rb-5125.htm">INT 2F/AX=AB01h</a> - <a href="rb-8009.htm" tppabs="http://www.ctyme.com/intr/rb-8009.htm">INT 7F/AX=0200h</a>
<PRE>
<p>
Format of Btrieve parameter record:
<a name=table3840></a>
Offset Size Description (Table 03840)
00h DWORD pointer to data buffer
04h WORD data buffer length
06h DWORD pointer to 90-byte record containing positioning info
(should be same for all calls for same file)
0Ah DWORD pointer to 38-byte FCB info buffer
(should be same for all calls for same file)
0Eh WORD function code <a href="rb-7905.htm#Table3841" tppabs="http://www.ctyme.com/intr/rb-7905.htm#Table3841">(see #03841)</a>
10h DWORD pointer to file name/key buffer
14h BYTE key length
15h BYTE key number
16h DWORD pointer to status code <a href="rb-7905.htm#Table3842" tppabs="http://www.ctyme.com/intr/rb-7905.htm#Table3842">(see #03842)</a>
1Ah WORD interface code (version specific)
6176h version 5.10
<p>
<a name=table3841></a>
(Table 03841)
Values for function code:
00h open
01h close
02h insert
03h update
04h delete
05h get_equal
06h get_next
07h get_prev
08h get_greater
09h get_gr_eql
0Ah get_less
0Bh get_less_eq
0Ch get_first
0Dh get_last
0Eh create
0Fh stat
10h extend
<p><b>11h set_dir:</b><br>Set directory information
<p><b>12h get_dir:</b><br>Get directory information
13h begin_trans
14h end_trans
15h abort_trans
<p><b>16h get_pos:</b><br>Get record position number
<p><b>17h get_direct:</b><br>Get data by sending record position
18h step_next
19h stop
1Ah version
1Bh unlock
1Ch reset
1Dh set owner
1Eh clear owner
1Fh create supplemental index
20h drop supplemental index
21h step first
22h step last
23h step previous
<p><b>24h get next extended:</b><br>Get multiple records using a filter
<p><b>25h get previous extended:</b><br>Get multiple records using a filter
<p><b>26h step next extended:</b><br>Get multiple records using a filter
<p><b>27h step previous extended:</b><br>Get multiple records using a filter
<p><b>28h insert extended:</b><br>Insert one or more records
31h ???
</PRE>
<p><b>Notes:</b>
Add 50 (32h) to any "get" operation to just return the key data.
Add 100 (64h) for a single-record wait lock (automatically released
on next get).
Add 200 (C8h) for a single-record nowait lock (nowait lock returns
error 54h or 55h if record already locked).
Add 300 (12Ch) for a multiple-record wait lock (not released until
unlock called).
Add 400 (190h) for a multiple-record nowait lock (nowait lock returns
error 54h or 55h if record already locked)
<PRE>
<p>
<a name=table3842></a>
(Table 03842)
Values for Btrieve status code:
00h successful
01h invalid operation
02h I/O error
03h file not open
04h key value not found
05h duplicate key value
06h invalid key number
07h different key number
08h invalid positioning
09h end of file
0Ah modifiable key value error
0Bh invalid file name
0Ch file not found
0Dh extended file error
0Eh pre-image open error
0Fh pre-image I/O error
10h expansion error
11h close error
12h disk full
13h unrecoverable error
14h record manager inactive
15h key buffer too short
16h data buffer length overrun
17h position block length
18h page size error
19h create I/O error
1Ah number of keys
1Bh invalid key position
1Ch invalid record length
1Dh invalid key length
1Eh not a Btrieve file
1Fh file already extended
20h extended I/O error
22h invalid extension name
23h directory error
24h transaction error
25h transaction is active
26h transaction control file I/O error
27h end/abort transaction error
28h transaction max files
29h operation not allowed
2Ah incomplete accelerated access
2Bh invalid record address
2Ch null key path
2Dh inconsistent key flags
2Eh access to file denied
2Fh maximum open files
30h invalid alternate sequence definition
31h key type error
32h owner already set
33h invalid owner
34h error writing cache
35h invalid interface
36h variable page error
37h autoincrement error
38h incomplete index
39h expanded memory error
3Ah compression buffer too short
3Bh file already exists
3Ch reject count reached
3Dh work space too small
3Eh incorrect descriptor
3Fh invalid extended insert
40h filter limit reached
41h incorrect field offset
4Ah automatic transaction abort
4Dh Btrieve engine busy or resource locked by another user
4Eh deadlock detected
50h conflict
51h lock error
52h lost position
53h read outside transaction
54h record in use
55h file in use
56h file table full
57h handle table full
58h incompatible open mode
5Ah redirected device table full
5Bh server error
5Ch transaction table full
5Dh incompatible lock type
5Eh permission error
5Fh session no longer valid
60h communications environment error
61h data message too small
62h internal transaction error
</PRE>
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