diff --git a/lib/libc_r/uthread/uthread_init.c b/lib/libc_r/uthread/uthread_init.c
index d470301b0c37..8b907d7df63b 100644
--- a/lib/libc_r/uthread/uthread_init.c
+++ b/lib/libc_r/uthread/uthread_init.c
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_init.c,v 1.11 1999/06/20 08:28:28 jb Exp $
  */
 
 /* Allocate space for global thread variables here: */
@@ -84,7 +84,7 @@ _thread_init(void)
 	int		fd;
 	int             flags;
 	int             i;
-	int		len;
+	size_t		len;
 	int		mib[2];
 	struct clockinfo clockinfo;
 	struct sigaction act;
diff --git a/lib/libc_r/uthread/uthread_select.c b/lib/libc_r/uthread/uthread_select.c
index c2f86c5ded47..918fe2947fab 100644
--- a/lib/libc_r/uthread/uthread_select.c
+++ b/lib/libc_r/uthread/uthread_select.c
@@ -29,11 +29,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_select.c,v 1.7 1999/06/20 08:28:43 jb Exp $
  */
 #include <unistd.h>
 #include <errno.h>
 #include <poll.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/types.h>
diff --git a/lib/libkse/thread/thr_init.c b/lib/libkse/thread/thr_init.c
index d470301b0c37..8b907d7df63b 100644
--- a/lib/libkse/thread/thr_init.c
+++ b/lib/libkse/thread/thr_init.c
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_init.c,v 1.11 1999/06/20 08:28:28 jb Exp $
  */
 
 /* Allocate space for global thread variables here: */
@@ -84,7 +84,7 @@ _thread_init(void)
 	int		fd;
 	int             flags;
 	int             i;
-	int		len;
+	size_t		len;
 	int		mib[2];
 	struct clockinfo clockinfo;
 	struct sigaction act;
diff --git a/lib/libkse/thread/thr_select.c b/lib/libkse/thread/thr_select.c
index c2f86c5ded47..918fe2947fab 100644
--- a/lib/libkse/thread/thr_select.c
+++ b/lib/libkse/thread/thr_select.c
@@ -29,11 +29,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_select.c,v 1.7 1999/06/20 08:28:43 jb Exp $
  */
 #include <unistd.h>
 #include <errno.h>
 #include <poll.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/types.h>
diff --git a/lib/libpthread/thread/thr_init.c b/lib/libpthread/thread/thr_init.c
index d470301b0c37..8b907d7df63b 100644
--- a/lib/libpthread/thread/thr_init.c
+++ b/lib/libpthread/thread/thr_init.c
@@ -29,7 +29,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_init.c,v 1.11 1999/06/20 08:28:28 jb Exp $
  */
 
 /* Allocate space for global thread variables here: */
@@ -84,7 +84,7 @@ _thread_init(void)
 	int		fd;
 	int             flags;
 	int             i;
-	int		len;
+	size_t		len;
 	int		mib[2];
 	struct clockinfo clockinfo;
 	struct sigaction act;
diff --git a/lib/libpthread/thread/thr_select.c b/lib/libpthread/thread/thr_select.c
index c2f86c5ded47..918fe2947fab 100644
--- a/lib/libpthread/thread/thr_select.c
+++ b/lib/libpthread/thread/thr_select.c
@@ -29,11 +29,12 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id$
+ * $Id: uthread_select.c,v 1.7 1999/06/20 08:28:43 jb Exp $
  */
 #include <unistd.h>
 #include <errno.h>
 #include <poll.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/types.h>