BINARY_ARRAY_SEARCH ?

[tridge at samba.org]

Hi Volker,

 > btw, it's been quite common for us to have problems with qsort() in
 > Samba because it isn't type safe (it can be a surprisingly tricky
 > function to use). I wonder if we should wrap it in a type-safe macro?

I've now done this, adding lib/util/tsort.h which defines
TYPESAFE_QSORT()

I've converted over the s4 code to use it. Do you have any objections
to me patching s3 to use it as well?

Cheers, Tridge