On Mon, 8 Oct 2001, Wojciech Puchar wrote:

: > : what type should i use that is unsigned 8 byte integer on every arch?
: >
: > u_int64_t  (from <sys/types.h> on 4.4BSDs)
: > uint64_t   (from <inttypes.h> on compliant systems; NetBSD-current has this)
:
: NetBSD only or in every UNIX?

There is _no_ guaranteed 64-bit integer on all OS's.  It has been
implementation dependent for ages....

With that said, <inttypes.h> is a standards-based header that should contain
uint64_t on many OS's.

NetBSD added <inttypes.h> in -current after 1.5.  Before that on NetBSD, you
have to get u_int64_t from <sys/types.h>.

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