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  13. <title>Source Annotations (GDB&rsquo;s Obsolete Annotations)</title>
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  53. <a name="Source-Annotations"></a>
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  56. Next: <a href="Multi_002dthreaded-Apps.html#Multi_002dthreaded-Apps" accesskey="n" rel="next">Multi-threaded Apps</a>, Previous: <a href="Annotations-for-Running.html#Annotations-for-Running" accesskey="p" rel="prev">Annotations for Running</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
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  59. <a name="Displaying-Source"></a>
  60. <h2 class="chapter">13 Displaying Source</h2>
  61. <a name="index-annotations-for-source-display"></a>
  62. <a name="index-source"></a>
  63. <p>The following annotation is used instead of displaying source code:
  64. </p>
  65. <div class="smallexample">
  66. <pre class="smallexample">^Z^Zsource <var>filename</var>:<var>line</var>:<var>character</var>:<var>middle</var>:<var>addr</var>
  67. </pre></div>
  68. <p>where <var>filename</var> is an absolute file name indicating which source
  69. file, <var>line</var> is the line number within that file (where 1 is the
  70. first line in the file), <var>character</var> is the character position
  71. within the file (where 0 is the first character in the file) (for most
  72. debug formats this will necessarily point to the beginning of a line),
  73. <var>middle</var> is &lsquo;<samp>middle</samp>&rsquo; if <var>addr</var> is in the middle of the
  74. line, or &lsquo;<samp>beg</samp>&rsquo; if <var>addr</var> is at the beginning of the line, and
  75. <var>addr</var> is the address in the target program associated with the
  76. source which is being displayed. <var>addr</var> is in the form &lsquo;<samp>0x</samp>&rsquo;
  77. followed by one or more lowercase hex digits (note that this does not
  78. depend on the language).
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