How to write new SunOS 4.1.x filesystem?

How to write new SunOS 4.1.x filesystem?

Post by Anna Pluzhnik » Sat, 14 May 1994 00:40:36

Is there some document (kind of 'Writing Device Driver'), that
describes writing a new filesystem under SunOS 4.1.x

Is it even possible without access to kernel sources?


1. How to write in the routing table in SunOS 4.1.x?

Hi everybody,

Does anyone know how to write in the kernel's routing table from a user
process in SunOS 4.1.x platform?

I can well read the content of the kernel's routing tables using the
'sysctl' system call.

But as SunOS does not seem to support routing sockets (as IRIX does for
example), I wonder how we can from a user process access this

Any ideas?

I have of course the solution of calling a shell command from the
process: system ("route add ..."), but a would like to find a 'smarter'
way of doing it...

Does somebody has the source code of the 'route' command?
If yes, could I see it? at least the part concerning the access of the
routing table.
Because there must be a function that writes to the routing tables...

Thanks for any helps or hints,


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