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qb64/internal/help/IOCTL.txt
Luke Ceddia b586eafd3b Integrated _BLINEINPUT into regular LINE INPUT for BINARY files
LINE INPUT will now use the faster method if passed a file handle
that has been opened FOR BINARY. As such, the _BLINEINPUT command
has been removed.

qb64.bas now takes advantage of this for reading from '$include files,
at least in Include Manager 1. Some tweaking of internal/source/main.txt
was required to get things into a sane state, so I'm holing off changing
the compiler any further so the auto-builder can make sure everything's
smoothed over.

Note: Everything should still compile as normal; I'm just being overcautious.
2014-07-27 00:06:17 +10:00

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The {{KW|IOCTL}} statement sends a message to an open IOCTL compatible device.
{{PageSyntax}}
:{{KW|IOCTL}} [#]{{Parameter|fileNumber%}}, {{Parameter|message$}}
{{PageDescription}}
*'''[[Keywords currently not supported by QB64|Currently NOT supported in QB64!]]'''
* {{Parameter|fileNumber%}} is the number of an open device
* {{Parameter|message$}} is the message you want to send.
* The device must first be opened with the {{KW|OPEN}} statement.
* Use {{KW|IOCTL$}} to receive messages from the device.
* The message sent is device-specific (read manual to see if it is {{KW|IOCTL}} compatible).
* {{KW|IOCTL}} doesn't work with most devices, it doesn't work with BASIC devices (LPTn:, COMn:, SCRN:, CONS:) or DOS block devices (A: to Z:).
{{PageSeeAlso}}
* {{KW|IOCTL$}}
* {{KW|OPEN}}
{{PageNavigation}}