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Personal488 User's Manual For Windows 95 and Windows NT
API Command Reference 51
Buffered
Driver488/W95 only
Syntax
LONG WINAPI Buffered(DevHandleT devHandle);
devHandle
refers to either an IEEE 488 hardware interface or an external device. If
devHandle
refers to an external device, the
Buffered
command acts on the
hardware interface to which the external device is attached.
Returns
-1
if error
otherwise long integer from
0
to
1,048,575(220-1)
Mode
Any
Bus States
None
Example
result = Buffered(ieee);
printf(“%ld bytes were received.”,result);
See Also
EnterX, OutputX
The
Buffered
command returns the number of characters transferred by the latest
Enter
,
Output
,
SendData
, or
SendEoi
command. If an asynchronous transfer is in progress, the result is the number
of characters that have been transferred at the moment the command is issued. This command is most
often used after a
count
ed
Enter
,
EnterN
,
EnterNMore
, etc., to determine if the full number of
characters was received, or if the transfer terminated upon detection of
term
. It is also used to find out
how many characters have currently been sent during an asynchronous DMA transfer.
Summary of Contents for OMB-PER-488/W95
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Page 136: ...130 Appendix Personal488 User s Manual For Windows95 and Windows NT Notes...
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Page 142: ...136 Abbreviations Personal488 User s Manual For Windows95 and Windows NT Notes...