[Multipart nttrans replies 1/3] Add DLIST_FIND and DLIST_FOREACH macros

[Sam Liddicott]

DLIST_FIND(list, result, test-expression)
puts the first match in result, or NULL if nothing matches.

DLIST_FOREACH(list, result, expression)
evaluates expression on each member, using result as
a temporary variable.

In each case result must be declared of the type of a list member

Signed-off-by: Sam Liddicott <sam at liddicott.com>
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 source/lib/util/dlinklist.h |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
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