+#if defined( THREAD_NEXT_CTHREADS )
+
+/***********************************************************************
+ * *
+ * under NEXTSTEP or OPENSTEP use CThreads *
+ * lukeh@xedoc.com.au *
+ * *
+ ***********************************************************************/
+
+int
+pthread_attr_init( pthread_attr_t *attr )
+{
+ *attr = 0;
+ return( 0 );
+}
+
+int
+pthread_attr_destroy( pthread_attr_t *attr )
+{
+ return( 0 );
+}
+
+int
+pthread_attr_getdetachstate( pthread_attr_t *attr, int *detachstate )
+{
+ *detachstate = *attr;
+ return( 0 );
+}
+
+int
+pthread_attr_setdetachstate( pthread_attr_t *attr, int detachstate )
+{
+ *attr = detachstate;
+ return( 0 );
+}
+
+/* ARGSUSED */
+int
+pthread_create(
+ pthread_t *tid,
+ pthread_attr_t attr,
+ VFP func,
+ void *arg
+)
+{
+ *tid = cthread_fork(func, arg);
+ return ( *tid == NULL ? -1 : 0 );
+}
+
+void
+pthread_yield()
+{
+ cthread_yield();
+}
+
+void
+pthread_exit( any_t a )
+{
+ cthread_exit( a );
+}
+
+void
+pthread_join( pthread_t tid, int *pStatus )
+{
+ int status;
+ status = (int) cthread_join ( tid );
+ if (pStatus != NULL)
+ {
+ *pStatus = status;
+ }
+}
+
+/* ARGSUSED */
+void
+pthread_kill( pthread_t tid, int sig )
+{
+ return;
+}
+
+/* ARGSUSED */
+int
+pthread_mutex_init( pthread_mutex_t *mp, pthread_mutexattr_t *attr )
+{
+ mutex_init( mp );
+ mp->name = NULL;
+ return ( 0 );
+}
+
+int
+pthread_mutex_destroy( pthread_mutex_t *mp )
+{
+ mutex_clear( mp );
+ return ( 0 );
+}
+
+int
+pthread_mutex_lock( pthread_mutex_t *mp )
+{
+ mutex_lock( mp );
+ return ( 0 );
+}
+
+int
+pthread_mutex_unlock( pthread_mutex_t *mp )
+{
+ mutex_unlock( mp );
+ return ( 0 );
+}
+
+int
+pthread_mutex_trylock( pthread_mutex_t *mp )
+{
+ return mutex_try_lock( mp );
+}
+
+int
+pthread_cond_init( pthread_cond_t *cv, pthread_condattr_t *attr )
+{
+ condition_init( cv );
+ return( 0 );
+}
+
+int
+pthread_cond_destroy( pthread_cond_t *cv )
+{
+ condition_clear( cv );
+ return( 0 );
+}
+
+int
+pthread_cond_wait( pthread_cond_t *cv, pthread_mutex_t *mp )
+{
+ condition_wait( cv, mp );
+ return( 0 );
+}
+
+int
+pthread_cond_signal( pthread_cond_t *cv )
+{
+ condition_signal( cv );
+ return( 0 );
+}
+
+int
+pthread_cond_broadcast( pthread_cond_t *cv )
+{
+ condition_broadcast( cv );
+ return( 0 );
+}
+
+#elif defined( THREAD_SUNOS4_LWP )