1 files changed, 3 insertions, 2 deletions
diff --git a/src/sleep.c b/src/sleep.c
index 7212ba54f..1551eeaa8 100644
--- a/src/sleep.c
+++ b/src/sleep.c
@@ -19,9 +19,10 @@
 #include <sys/types.h>
 #include "system.h"
 
-long argdecode ();
 void error ();
 
+static long argdecode ();
+
 /* The name by which this program was run. */
 char *program_name;
 
@@ -49,7 +50,7 @@ main (argc, argv)
   exit (0);
 }
 
-long
+static long
 argdecode (s)
      char *s;
 {