#include <sys/proc.h> where needed (for the stop event definitions) and

reorder includes everywhere to conform to style(9).

usr.bin/truss/alpha-fbsd.c

@@ -44,6 +44,14 @@ static const char rcsid[] =
  * This file is almost nothing more than a slightly-edited i386-fbsd.c.
  */
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+#include <sys/syscall.h>
+
+#include <machine/reg.h>
+#include <machine/psl.h>
+
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -52,11 +60,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <machine/reg.h>
-#include <machine/psl.h>
-#include <sys/syscall.h>
 
 #include "syscall.h"
 

usr.bin/truss/amd64-fbsd32.c

@@ -42,6 +42,14 @@ static const char rcsid[] =
  * names used for the various structures are confusing, I sadly admit.
  */
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+#include <sys/syscall.h>
+
+#include <machine/reg.h>
+#include <machine/psl.h>
+
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -49,11 +57,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <machine/reg.h>
-#include <machine/psl.h>
-#include <sys/syscall.h>
 
 #include "syscall.h"
 

usr.bin/truss/amd64-linux32.c

@@ -40,6 +40,13 @@ static const char rcsid[] =
  * it in support routines that can be used by any personality support.
  */
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+
+#include <machine/reg.h>
+#include <machine/psl.h>
+
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -47,10 +54,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <machine/reg.h>
-#include <machine/psl.h>
 
 #include "syscall.h"
 

usr.bin/truss/i386-fbsd.c

@@ -42,6 +42,14 @@ static const char rcsid[] =
  * names used for the various structures are confusing, I sadly admit.
  */
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+#include <sys/syscall.h>
+
+#include <machine/reg.h>
+#include <machine/psl.h>
+
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -49,11 +57,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <machine/reg.h>
-#include <machine/psl.h>
-#include <sys/syscall.h>
 
 #include "syscall.h"
 

usr.bin/truss/i386-linux.c

@@ -40,6 +40,13 @@ static const char rcsid[] =
  * it in support routines that can be used by any personality support.
  */
 
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+
+#include <machine/reg.h>
+#include <machine/psl.h>
+
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -47,10 +54,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <machine/reg.h>
-#include <machine/psl.h>
 
 #include "syscall.h"
 

usr.bin/truss/main.c

@@ -40,6 +40,11 @@ static const char rcsid[] =
  * do a lot of the work :).
  */
 
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+#include <sys/proc.h>
+
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -48,8 +53,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
 
 extern int setup_and_wait(char **);
 extern int start_tracing(int, int);

usr.bin/truss/setup.c

@@ -39,6 +39,12 @@ static const char rcsid[] =
  * I'm afraid.
  */
 
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/pioctl.h>
+#include <sys/proc.h>
+#include <sys/wait.h>
+
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -47,10 +53,6 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/pioctl.h>
-#include <sys/types.h>
-#include <sys/wait.h>
 
 static int evflags = 0;