doc/portability-book/files/functions.xml

   1 <!-- $NetBSD$ -->
   2
   3 <chapter id="functions">
   4 <title>C/C++: functions</title>
   5
   6 <para>This chapter contains the requirements for using certain functions
   7 in C and C++ code.</para>
   8
   9 <table>
  10 <title>Functions on various platforms</title>
  11 <tgroup cols="5">
  12 <thead><row>
  13   <entry>Function name</entry>
  14   <entry>Platform</entry>
  15   <entry>Library</entry>
  16   <entry>Headers</entry>
  17   <entry>Feature test macros</entry>
  18 </row></thead>
  19
  20 <tbody>
  21 <row>
  22   <entry>getopt</entry>
  23   <entry>NetBSD-*-*</entry>
  24   <entry>c</entry>
  25   <entry>unistd.h</entry>
  26   <entry>_POSIX_C_SOURCE >= 2 || _XOPEN_SOURCE >= 4 || defined(_NETBSD_SOURCE)</entry>
  27 </row>
  28 <row>
  29   <entry>getopt</entry>
  30   <entry>SunOS-5.10-*</entry>
  31   <entry>c</entry>
  32   <entry>unistd.h</entry>
  33   <entry>(_XOPEN_SOURCE && _XOPEN_VERSION == 4) || __EXTENSIONS__</entry>
  34 </row>
  35 </tbody>
  36 </tgroup>
  37 </table>
  38
  39 </chapter>