Re: mmap:ing /dev/rsdNc fails with EINVAL on all my attempts&man pages give no hint. Any way around it?

[Theo de Raadt]

> "ls -l /dev/rsd0c; ls -l /dev/sd0c" shows that sd0c is a block device
> and rsd0c is a character device, and mmap's man page says that
> "character special files" are OK.

The manual pages will never list all restrictions.