Implement kvp_free() and free the key or value depending on the flags.

Diff provided by Jack Burton (jack at saosce.com.au) with minor modifcation
by myself.

Spaces, no functional change

stop including sys/param.h for nitems. define locally as needed.
ok natano reyk

Currently we have about a 50/50 split over fcntl(n, F_GETFL [,0])
idioms.

Adopt the more concise fcntl(n, F_GETFL) over fcntl(n, F_GETFL, 0)
where it is obvious further investigation will not yield

Currently we have about a 50/50 split over fcntl(n, F_GETFL [,0])
idioms.

Adopt the more concise fcntl(n, F_GETFL) over fcntl(n, F_GETFL, 0)
where it is obvious further investigation will not yield and
even better way.

Obviousness evaluation and ok guenther@

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strings.h -> string.h as necessary to prevent implicit declaration
warnings

move to <limits.h> where possible, annotate <sys/param.h> otherwise

Redo most of the control message handling. Switch it back to use
SOCK_SEQPACKET and provide functions to build the control messages that
can also be used by iscsictl.

COnveret the bcopy() to memcpy()

spacing, no binary changes.

iSCSI Initiatior daemon using vscsi(4).
Currently implements the absolute minimum of the protocol to make
it work against targets. Many things still in flux but we're annoyed
to work outside of the t

iSCSI Initiatior daemon using vscsi(4).
Currently implements the absolute minimum of the protocol to make
it work against targets. Many things still in flux but we're annoyed
to work outside of the tree. Commited from a source tree on an iSCSI
disk served via iscsid but it is not yet production ready.
OK dlg@, matthew@, deraadt@

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