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  53. <a name="ctime_002d_002d_002dconvert-time-to-local-and-format-as-string"></a>
  54. <h3 class="section">8.3 <code>ctime</code>&mdash;convert time to local and format as string</h3>
  55. <a name="index-ctime"></a>
  56. <a name="index-ctime_005fr"></a>
  57. <p><strong>Synopsis</strong>
  58. </p><div class="example">
  59. <pre class="example">#include &lt;time.h&gt;
  60. char *ctime(const time_t *<var>clock</var>);
  61. char *ctime_r(const time_t *<var>clock</var>, char *<var>buf</var>);
  62. </pre></div>
  63. <p><strong>Description</strong><br>
  64. Convert the time value at <var>clock</var> to local time (like <code>localtime</code>)
  65. and format it into a string of the form
  66. </p><div class="smallexample">
  67. <pre class="smallexample"> Wed Jun 15 11:38:07 1988\n\0
  68. </pre></div>
  69. <p>(like <code>asctime</code>).
  70. </p>
  71. <br>
  72. <p><strong>Returns</strong><br>
  73. A pointer to the string containing a formatted timestamp.
  74. </p>
  75. <br>
  76. <p><strong>Portability</strong><br>
  77. ANSI C requires <code>ctime</code>.
  78. </p>
  79. <p><code>ctime</code> requires no supporting OS subroutines.
  80. </p>
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