glib-basic-types.html

glid编写实例

<a class="indexterm" name="id2819950"></a><pre class="programlisting">typedef unsigned short  gushort;
</pre>
<p>
Corresponds to the standard C <span class="type">unsigned short</span> type.
Values of this type can range from 0 to <a href="glib-Limits-of-Basic-Types.html#G-MAXUSHORT:CAPS"><span class="type">G_MAXUSHORT</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2819979"></a><h3>
<a name="glong"></a>glong</h3>
<a class="indexterm" name="id2819989"></a><pre class="programlisting">typedef long   glong;
</pre>
<p>
Corresponds to the standard C <span class="type">long</span> type.
Values of this type can range from <a href="glib-Limits-of-Basic-Types.html#G-MINLONG:CAPS"><span class="type">G_MINLONG</span></a> to <a href="glib-Limits-of-Basic-Types.html#G-MAXLONG:CAPS"><span class="type">G_MAXLONG</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820027"></a><h3>
<a name="gulong"></a>gulong</h3>
<a class="indexterm" name="id2820037"></a><pre class="programlisting">typedef unsigned long   gulong;
</pre>
<p>
Corresponds to the standard C <span class="type">unsigned long</span> type.
Values of this type can range from 0 to <a href="glib-Limits-of-Basic-Types.html#G-MAXULONG:CAPS"><span class="type">G_MAXULONG</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820066"></a><h3>
<a name="gint8"></a>gint8</h3>
<a class="indexterm" name="id2820076"></a><pre class="programlisting">typedef signed char gint8;
</pre>
<p>
A signed integer guaranteed to be 8 bits on all platforms.
Values of this type can range from -128 to 127.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820093"></a><h3>
<a name="guint8"></a>guint8</h3>
<a class="indexterm" name="id2820103"></a><pre class="programlisting">typedef unsigned char guint8;
</pre>
<p>
An unsigned integer guaranteed to be 8 bits on all platforms.
Values of this type can range from 0 to 255.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820120"></a><h3>
<a name="gint16"></a>gint16</h3>
<a class="indexterm" name="id2820130"></a><pre class="programlisting">typedef signed short gint16;
</pre>
<p>
A signed integer guaranteed to be 16 bits on all platforms.
Values of this type can range from -32,768 to 32,767.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820147"></a><h3>
<a name="guint16"></a>guint16</h3>
<a class="indexterm" name="id2820157"></a><pre class="programlisting">typedef unsigned short guint16;
</pre>
<p>
An unsigned integer guaranteed to be 16 bits on all platforms.
Values of this type can range from 0 to 65,535.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820174"></a><h3>
<a name="gint32"></a>gint32</h3>
<a class="indexterm" name="id2820184"></a><pre class="programlisting">typedef signed int gint32;
</pre>
<p>
A signed integer guaranteed to be 32 bits on all platforms.
Values of this type can range from -2,147,483,648 to 2,147,483,647.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820202"></a><h3>
<a name="guint32"></a>guint32</h3>
<a class="indexterm" name="id2820211"></a><pre class="programlisting">typedef unsigned int guint32;
</pre>
<p>
An unsigned integer guaranteed to be 32 bits on all platforms.
Values of this type can range from 0 to 4,294,967,295.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820229"></a><h3>
<a name="G-HAVE-GINT64:CAPS"></a>G_HAVE_GINT64</h3>
<a class="indexterm" name="id2820239"></a><pre class="programlisting">#define G_HAVE_GINT64 1          /* deprecated, always true */
</pre>
<p>
This macro is defined if 64-bit signed and unsigned integers are available
on the platform.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820256"></a><h3>
<a name="gint64"></a>gint64</h3>
<a class="indexterm" name="id2820266"></a><pre class="programlisting">G_GNUC_EXTENSION typedef signed long long gint64;
</pre>
<p>
A signed integer guaranteed to be 64 bits on all platforms on which it is
available (see <a href="glib-Basic-Types.html#G-HAVE-GINT64:CAPS"><span class="type">G_HAVE_GINT64</span></a>).
Values of this type can range from -9,223,372,036,854,775,808 to
9,223,372,036,854,775,807.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820293"></a><h3>
<a name="guint64"></a>guint64</h3>
<a class="indexterm" name="id2820303"></a><pre class="programlisting">G_GNUC_EXTENSION typedef unsigned long long guint64;
</pre>
<p>
An unsigned integer guaranteed to be 64 bits on all platforms on which it is
available (see <a href="glib-Basic-Types.html#G-HAVE-GINT64:CAPS"><span class="type">G_HAVE_GINT64</span></a>).
Values of this type can range from 0 to 18,446,744,073,709,551,615.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820330"></a><h3>
<a name="G-GINT64-CONSTANT:CAPS"></a>G_GINT64_CONSTANT()</h3>
<a class="indexterm" name="id2820340"></a><pre class="programlisting">#define G_GINT64_CONSTANT(val)	(G_GNUC_EXTENSION (val##LL))
</pre>
<p>
This macro is used to insert 64-bit integer literals into the source code.
</p>
<div class="variablelist"><table border="0">
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<td>
<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a literal integer value, e.g. 0x1d636b02300a7aa7U.


</td>
</tr></tbody>
</table></div>
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<div class="refsect2" lang="en">
<a name="id2820377"></a><h3>
<a name="gfloat"></a>gfloat</h3>
<a class="indexterm" name="id2820386"></a><pre class="programlisting">typedef float   gfloat;
</pre>
<p>
Corresponds to the standard C <span class="type">float</span> type.
Values of this type can range from -<a href="glib-Limits-of-Basic-Types.html#G-MAXFLOAT:CAPS"><span class="type">G_MAXFLOAT</span></a> to <a href="glib-Limits-of-Basic-Types.html#G-MAXFLOAT:CAPS"><span class="type">G_MAXFLOAT</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820424"></a><h3>
<a name="gdouble"></a>gdouble</h3>
<a class="indexterm" name="id2820434"></a><pre class="programlisting">typedef double  gdouble;
</pre>
<p>
Corresponds to the standard C <span class="type">double</span> type.
Values of this type can range from -<a href="glib-Limits-of-Basic-Types.html#G-MAXDOUBLE:CAPS"><span class="type">G_MAXDOUBLE</span></a> to <a href="glib-Limits-of-Basic-Types.html#G-MAXDOUBLE:CAPS"><span class="type">G_MAXDOUBLE</span></a>.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820472"></a><h3>
<a name="gsize"></a>gsize</h3>
<a class="indexterm" name="id2820481"></a><pre class="programlisting">typedef unsigned int gsize;
</pre>
<p>
An unsigned 32-bit integer intended to represent sizes of data structures.
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2820498"></a><h3>
<a name="gssize"></a>gssize</h3>
<a class="indexterm" name="id2820507"></a><pre class="programlisting">typedef signed int gssize;
</pre>
<p>
A signed 32-bit integer intended to represent sizes of data structures.
</p>
</div>
</div>
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