K 10
svn:author
V 3
sam
K 8
svn:date
V 27
2004-01-02T17:27:39.000000Z
K 7
svn:log
V 396
m_tag fixups in preparation for heavier use:

o promote several m_tag_* routines to inline
o add an m_tag_setup inline to set the fixed fields in a packet tag
o add an m_tag_free method pointer to each mtag to support, for example,
  allocating tags from zones
o have m_tag_find check if the tag list is not empty before calling
  m_tag_locate to search

Reviewed by:	brooks, silence from others

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