Truncating an open file under BSD 4.3

[Badri Lokanathan]

In article <1392 at valhalla.ee.rochester.edu>, I wrote:
> What is the best way to empty an already open write-only file under BSD 4.3?
> ... 
> 3/110.) I tried truncate but it leaves holes in the file, which make
> it unreadable.

Thanks to all who posted the right solution (fflush-ftruncate-lseek)
This was exactly what I had planned to check out; unfortunately I coded my
test program incorrectly (never code just before dinner time :-) causing
strange things to happen.

Hoping sys V has some equivalent form of ftruncate ....
-- 
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