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Document some behaviour I'm depending on.

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(TAILQ_FOREACH leaves the variable NULL if there were no more to do)
This commit is contained in:
Julian Elischer 2001-12-28 22:00:27 +00:00
parent b95a83b308
commit 5e7cbd4365
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=88596
1 changed files with 2 additions and 0 deletions
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share/man/man3/queue.3
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@ -738,6 +738,8 @@ traverses the tail queue referenced by
.Fa head
in the forward direction, assigning each element in turn to
.Fa var .
.Fa Var
is set to NULL if the loop completes normally, or if there were no elements.
.Pp
The macro
.Nm TAILQ_FOREACH_REVERSE