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Change the names of the node reference counting functions
and add comments to make the mechanism easier to understand:
- new_reference() and decrement_references() are now called
dns__rbtnode_acquire() and dns__rbtnode_release()
respectively; this reflects the fact that they modify both
the internal and external reference counters for a node.
- rbtnode_newref() and rbtnode_decref are now called
rbtnode_erefs_increment() and rbtnode_erefs_decrement(),
to reflect that they only increase and decrease the node's
external reference counters, not internal.
(cherry picked from commit
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| dns | ||
| irs | ||
| isc | ||
| isccc | ||
| isccfg | ||
| ns | ||
| .gitignore | ||
| Makefile.am | ||