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  63. <a name="struct-timeval-1"></a>
  64. <h4 class="unnumberedsubsubsec">struct timeval</h4>
  65. <a name="index-struct-timeval_002c-in-file_002di_002fo-protocol"></a>
  66. <p>The buffer of type <code>struct timeval</code> used by the File-I/O protocol
  67. is defined as follows:
  68. </p>
  69. <div class="smallexample">
  70. <pre class="smallexample">struct timeval {
  71. time_t tv_sec; /* second */
  72. long tv_usec; /* microsecond */
  73. };
  74. </pre></div>
  75. <p>The integral datatypes conform to the definitions given in the
  76. appropriate section (see <a href="Integral-Datatypes.html#Integral-Datatypes">Integral Datatypes</a>, for details) so this
  77. structure is of size 8 bytes.
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