diff --git a/commands/CmdAB.c b/commands/CmdAB.c
index 4bed2eee..e58aa989 100644
--- a/commands/CmdAB.c
+++ b/commands/CmdAB.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdAB.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdAB.c,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdCD.c b/commands/CmdCD.c
index b82caec1..dd3377d8 100644
--- a/commands/CmdCD.c
+++ b/commands/CmdCD.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdCD.c,v 1.7 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdCD.c,v 1.7 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdE.c b/commands/CmdE.c
index 1a43e2c2..e7bb7bff 100644
--- a/commands/CmdE.c
+++ b/commands/CmdE.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdE.c,v 1.4 2010/06/17 14:38:33 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdE.c,v 1.4 2010/06/17 14:38:33 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdFI.c b/commands/CmdFI.c
index 9b6430d2..24da021e 100644
--- a/commands/CmdFI.c
+++ b/commands/CmdFI.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdFI.c,v 1.4 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdFI.c,v 1.4 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdLQ.c b/commands/CmdLQ.c
index 28d6dadc..d8aacea0 100644
--- a/commands/CmdLQ.c
+++ b/commands/CmdLQ.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdLQ.c,v 1.9 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdLQ.c,v 1.9 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdRS.c b/commands/CmdRS.c
index 8c07432f..5393e10a 100644
--- a/commands/CmdRS.c
+++ b/commands/CmdRS.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdRS.c,v 1.13 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdRS.c,v 1.13 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdSubrs.c b/commands/CmdSubrs.c
index 72f9bffc..8c47813e 100644
--- a/commands/CmdSubrs.c
+++ b/commands/CmdSubrs.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdSubrs.c,v 1.2 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdSubrs.c,v 1.2 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdTZ.c b/commands/CmdTZ.c
index 6b5feb9a..11221093 100644
--- a/commands/CmdTZ.c
+++ b/commands/CmdTZ.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdTZ.c,v 1.8 2010/06/24 12:37:15 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdTZ.c,v 1.8 2010/06/24 12:37:15 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>
diff --git a/commands/CmdWizard.c b/commands/CmdWizard.c
index 6f1aa9bf..41ea0577 100644
--- a/commands/CmdWizard.c
+++ b/commands/CmdWizard.c
@@ -20,7 +20,7 @@
  */
 
 #ifndef lint
-static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdWizard.c,v 1.2 2008/02/10 19:30:19 tim Exp $";
+static const char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/commands/CmdWizard.c,v 1.2 2008/02/10 19:30:19 tim Exp $";
 #endif  /* not lint */
 
 #include <stdio.h>