/H2>
<P>pthread_key_create, pthread_key_delete, pthread_setspecific,
pthread_getspecific - management of thread-specific data 
</P>
<H2><A HREF="#toc1" NAME="sect1">Synopsis</A></H2>
<P><B>#include &lt;pthread.h&gt;</B> 
</P>
<P><B>int pthread_key_create(pthread_key_t *</B><I>key</I><B>, void
(*</B><I>destr_function</I><B>) (void *));</B> 
</P>
<P><B>int pthread_key_delete(pthread_key_t </B><I>key</I><B>);</B> 
</P>
<P><B>int pthread_setspecific(pthread_key_t </B><I>key</I><B>, const
void *</B><I>pointer</I