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<h2>
<a name="1143570"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10 Libraries</font>
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<h3>
<a name="1147393"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10.1 Changes from R1.9 to R2.0</font>
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<p>
<a name="1148452"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The C++ Standard Library is now provided.</font>
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<h3>
<a name="1143571"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10.2 Changes from R1.8.1 to R1.9</font>
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<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143573"> </a>The toolset now provides a POSIX-like I/O library for the target to read and write to arbitrary devices. </font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143574"> </a>Mutex management functions have been extended.</font></p>
</ul>
<h3>
<a name="1143576"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10.3 Changes from R1.8 to R1.8.1</font>
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<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143578"> </a>Header files are now provided defining the memory address variables used by the <font size=2 face=Courier><strong>chip</strong></font> command. These files are in the <font size=2 face=Courier><strong>include/chip</strong></font> directory of the release. </font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143579"> </a>The following library functions have been moved to different library files. This does not affect users who link using the standard supplied燾onfiguration files, but may require changes if the libraries are explicitly linked.
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<caption><b><i><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143602"> </a><font face="Helvetica">Table 17: New libraries</font></font></i></b></caption>
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<th><font face="Verdana, Arial, Helvetica, sans-serif" color="#003366"><a name="1143582"> </a><font face="Verdana, Arial, Helvetica, sans-serif">Functions</font></font></th>
<th><font face="Verdana, Arial, Helvetica, sans-serif" color="#003366"><a name="1143584"> </a><font face="Verdana, Arial, Helvetica, sans-serif">New library</font></font></th>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143586"> </a><div ><font size=2><font size=2 face=Courier><strong>setjmp, longjmp</strong></font></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143588"> </a><div ><font size=2><font size=2 face=Courier><strong>setjmp.lib</strong></font></font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143590"> </a><div ><font size=2>The time manipulation functions <font size=2 face=Courier><strong>difftime</strong></font>, <font size=2 face=Courier><strong>mktime</strong></font>, <font size=2 face=Courier><strong>asctime</strong></font>, <font size=2 face=Courier><strong>ctime</strong></font>, <font size=2 face=Courier><strong>gmtime</strong></font>, <font size=2 face=Courier><strong>localtime</strong></font></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143592"> </a><div ><font size=2><font size=2 face=Courier><strong>ansigen.lib</strong></font></font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143594"> </a><div ><font size=2><font size=2 face=Courier><strong>_ST_errno and errno</strong></font></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143596"> </a><div ><font size=2><font size=2 face=Courier><strong>stsyserr.lib</strong></font></font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143598"> </a><div ><font size=2>All OS20 interrupt functions</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1143600"> </a><div ><font size=2><font size=2 face=Courier><strong>st20intc*.lib</strong></font></font></div></font></td>
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<h3>
<a name="1143605"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10.4 Changes from R1.7 to R1.8</font>
</h3>
<p>
<a name="1143606"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The C++ complex library is no longer included.</font>
</p>
<h3>
<a name="1143607"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">B.10.5 Changes from R1.6.2 to R1.7</font>
</h3>
<ul>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143608"> </a>Buffering has been introduced in the <font size=2 face=Courier><strong>stdio</strong></font> C library implementation.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143609"> </a>Debug library routines can now return an error message that no debugger is present.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143610"> </a>A new <font size=2 face=Courier><strong>debugdisconnect</strong></font> function terminates <strong>st20run</strong>, leaving the target running.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143611"> </a>A new support library for initializing RCUs.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143612"> </a>Library support for importing and exporting, to allow separately loaded programs to call each other.</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1143613"> </a>Support in the run-time library and start-up code for using subsets of the library.</font></p>
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