QBasic 1.1: IOCTL$ Function


IOCTL [#]filenumber%, string$

Description / Parameter(s)

filenumber% The number of an open device.
string$ The control string sent to the device.
IOCTL control strings and the information returned by IOCTL$ depend on the device driver. See your device-driver documentation for information about IOCTL control strings and what is returned by IOCTL$.