[9fans] What's so special about seek() ?

[Nathaniel W Filardo]

/sys/src/libc/9syscall/mkfile has a rather odd looking special case for the
seek system call... it looks like if seek fails (returns -1) that the first
two arguments (fd and offset) are overwritten with -1.  What's going on
here?  The manual page doesn't hint at anything...

Thanks.
--nwf;

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