Strings.html 4.3 KB

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  63. <a name="Strings-1"></a>
  64. <h3 class="section">5.6 Strings</h3>
  65. <p>Some languages, like C or the original Pascal, do not have string types,
  66. they just have related things like arrays of characters. But most
  67. Pascals and various other languages have string types, which are
  68. indicated as follows:
  69. </p>
  70. <dl compact="compact">
  71. <dt><code>n <var>type-information</var> ; <var>bytes</var></code></dt>
  72. <dd><p><var>bytes</var> is the maximum length. I&rsquo;m not sure what
  73. <var>type-information</var> is; I suspect that it means that this is a string
  74. of <var>type-information</var> (thus allowing a string of integers, a string
  75. of wide characters, etc., as well as a string of characters). Not sure
  76. what the format of this type is. This is an AIX feature.
  77. </p>
  78. </dd>
  79. <dt><code>z <var>type-information</var> ; <var>bytes</var></code></dt>
  80. <dd><p>Just like &lsquo;<samp>n</samp>&rsquo; except that this is a gstring, not an ordinary
  81. string. I don&rsquo;t know the difference.
  82. </p>
  83. </dd>
  84. <dt><code>N</code></dt>
  85. <dd><p>Pascal Stringptr. What is this? This is an AIX feature.
  86. </p></dd>
  87. </dl>
  88. <p>Languages, such as CHILL which have a string type which is basically
  89. just an array of characters use the &lsquo;<samp>S</samp>&rsquo; type attribute
  90. (see <a href="String-Field.html#String-Field">String Field</a>).
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