title: Mac OS X Lion does not have /usr/include folder?
body: <p>I have been trying to use SQLite API in a C++ program but I can not find the SQLite include files. I was told in this post <a href="https://stackoverflow.com/questions/14205366/mac-osx-sqlite-api-for-c">Mac OSX sqlite api for C++</a> that sqlite is alerady present on Mac OS X and headers can be found /usr/include.</p>
  
  <p>I have a recently purchased MacBook Pro with Mac OS X Lion, Xcode 4.3.2 and there is no include folder in the /usr folder.  /usr contains </p>
  
  <pre><code>  X11
    X11R6
    bin
    clang-ide
    lib
    libexec
    local
    sbin
    share
    standalone
  </code></pre>
  
  <p>Any suggestions?</p>