1 files changed, 3 insertions, 3 deletions
diff --git a/common.c b/common.c
index 3779b13..a0d240b 100644
--- a/common.c
+++ b/common.c
@@ -58,19 +58,19 @@
 /* ********************************************** */
 
 void
-enterprocedure (char *s)
+enterprocedure (const char *s)
 {
   debug(2,(stderr, "-> %s\n", s));
 }
 
 void
-warn (char *s)
+warn (const char *s)
 {
   fprintf(stderr, "####### %s\n", s);
 }
 
 void
-panic (char *s)
+panic (const char *s)
 {
   fprintf(stderr, "%s\n", s);
   exit(1);