IOCTL using <ddk/ntddser.h>

Bert dsboiz@gmail.com
Fri Mar 13 00:03:00 GMT 2009


Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:

>   open("/dev/com4");		// Btw. "/dev/ttyS3" is preferred
>   ioctl(POSIX_IOCTL_CODE);
>   close;
 
>   CreateFile("COM4:", ...);
>   DeviceIoControl(WIN32_IOCTL_CODE);
>   CloseHandle;

Corinna - thanks. Your simple examples made it crystal clear.


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