The near duplicates upset fussier compilers that insist that
typedefs be exactly the same, but the fix isn't to make all
copies identical...
Change-Id: Icfdace41726f36ec33c9ae919dbb5a54d3529cc9
New functions:
tfind
tsearch
tdelete
twalk
tdestroy (GNU extension)
Bug fix: the current implementation for realpath would crash
if the second argument (resolved_path) is NULL.
New headers:
ar.h
search.h
Change-Id: Ib6c1e42fc186a6d597a6e5a9692b16acaa155804
