diff --git a/usr.sbin/getextattr/getextattr.c b/usr.sbin/getextattr/getextattr.c
index 3acbfc1ecc1..2b14865c1ac 100644
--- a/usr.sbin/getextattr/getextattr.c
+++ b/usr.sbin/getextattr/getextattr.c
@@ -34,6 +34,7 @@
 
 #include <libutil.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <vis.h>
 
diff --git a/usr.sbin/jail/jail.c b/usr.sbin/jail/jail.c
index fc349908f1d..d27d51d50d7 100644
--- a/usr.sbin/jail/jail.c
+++ b/usr.sbin/jail/jail.c
@@ -11,6 +11,8 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <err.h>
 #include <sys/types.h>
 #include <sys/jail.h>
diff --git a/usr.sbin/mtest/mtest.c b/usr.sbin/mtest/mtest.c
index 1e2e37347e5..920f4dd290e 100644
--- a/usr.sbin/mtest/mtest.c
+++ b/usr.sbin/mtest/mtest.c
@@ -5,8 +5,14 @@
  * Written by Steve Deering, Stanford University, February 1989.
  */
 
+#ifndef lint
+static const char rcsid[] =
+  "$FreeBSD$";
+#endif /* not lint */
+
 #include <err.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/time.h>
diff --git a/usr.sbin/pw/rm_r.c b/usr.sbin/pw/rm_r.c
index 2af9a4efca9..4ad590bc1aa 100644
--- a/usr.sbin/pw/rm_r.c
+++ b/usr.sbin/pw/rm_r.c
@@ -31,6 +31,7 @@ static const char rcsid[] =
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/param.h>
diff --git a/usr.sbin/quotaon/quotaon.c b/usr.sbin/quotaon/quotaon.c
index 6235c1f2058..50d68aeefc4 100644
--- a/usr.sbin/quotaon/quotaon.c
+++ b/usr.sbin/quotaon/quotaon.c
@@ -58,6 +58,7 @@ static const char rcsid[] =
 #include <err.h>
 #include <fstab.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
diff --git a/usr.sbin/setextattr/setextattr.c b/usr.sbin/setextattr/setextattr.c
index 202daa9a985..bdf21436314 100644
--- a/usr.sbin/setextattr/setextattr.c
+++ b/usr.sbin/setextattr/setextattr.c
@@ -35,6 +35,8 @@
 
 #include <libutil.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 void
 usage(void)
diff --git a/usr.sbin/vnconfig/vnconfig.c b/usr.sbin/vnconfig/vnconfig.c
index fb976aef78f..294250d4b5a 100644
--- a/usr.sbin/vnconfig/vnconfig.c
+++ b/usr.sbin/vnconfig/vnconfig.c
@@ -13,6 +13,7 @@ static const char rcsid[] =
 #endif /* not lint */
 
 #include <stdio.h>
+#include <stdlib.h>
 
 int
 main(int argc, char **argv)
diff --git a/usr.sbin/yppoll/yppoll.c b/usr.sbin/yppoll/yppoll.c
index a6fac5dda2d..048fdeb58f4 100644
--- a/usr.sbin/yppoll/yppoll.c
+++ b/usr.sbin/yppoll/yppoll.c
@@ -38,6 +38,7 @@ static const char rcsid[] =
 #include <sys/socket.h>
 #include <err.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <time.h>
 #include <unistd.h>