--- freem/src/ssvn_zrpi.c	2025/03/09 19:50:47	1.3
+++ freem/src/ssvn_zrpi.c	2025/04/09 19:52:02	1.4
@@ -1,5 +1,5 @@
 /*
- *   $Id: ssvn_zrpi.c,v 1.3 2025/03/09 19:50:47 snw Exp $
+ *   $Id: ssvn_zrpi.c,v 1.4 2025/04/09 19:52:02 snw Exp $
  *    Support for Raspberry Pi single-board computers
  *
  *  
@@ -24,6 +24,9 @@
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
  *   $Log: ssvn_zrpi.c,v $
+ *   Revision 1.4  2025/04/09 19:52:02  snw
+ *   Eliminate as many warnings as possible while building with -Wall
+ *
  *   Revision 1.3  2025/03/09 19:50:47  snw
  *   Second phase of REUSE compliance and header reformat
  *
@@ -48,10 +51,10 @@ int rpi_pinmode[RPI_PINCOUNT];
 
 void ssvn_zrpi_init (void)
 {
+  
+#if defined(HAVE_WIRINGPI_H)
     register int i;
     
-#if defined(HAVE_WIRINGPI_H)
-
     wiringPiSetup ();
     
     for (i = 0; i < RPI_PINCOUNT; i++) {
@@ -60,13 +63,11 @@ void ssvn_zrpi_init (void)
     }
 
 #endif
-    
+    return;
 }
 
 void ssvn_zrpi (short action, char *key, char *data)
 {
-    int pin;
-    
     freem_ref_t *ref = (freem_ref_t *) malloc (sizeof (freem_ref_t));
     char *kbuf = (char *) malloc (STRLEN * sizeof (char));    
     char *verb = (char *) malloc (STRLEN * sizeof (char));