Flushes input ring.
int ioctl (FileDescriptor, DIALRFLUSH, Arg) int FileDescriptor;
The DIALRFLUSH ioctl subroutine call flushes the input ring. It loads the input ring head and tail pointers with the starting address of the reporting area. The overflow flag is then cleared.
|FileDescriptor||Specifies the open file descriptor for the dials.|
This ioctl subroutine call is part of Base Operating System (BOS) Runtime.