diff --git a/lib/com_err/com_right.h b/lib/com_err/com_right.h
index 7f4114565..b0857d283 100644
--- a/lib/com_err/com_right.h
+++ b/lib/com_err/com_right.h
@@ -71,9 +71,16 @@ struct et_list {
 };
 extern struct et_list *_et_list;
 
-const char *com_right (struct et_list *list, long code);
-const char *com_right_r (struct et_list *list, long code, char *, size_t);
-void initialize_error_table_r (struct et_list **, const char **, int, long);
-void free_error_table (struct et_list *);
+KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
+com_right (struct et_list *list, long code);
+
+KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
+com_right_r (struct et_list *list, long code, char *, size_t);
+
+KRB5_LIB_FUNCTION void KRB5_LIB_CALL
+initialize_error_table_r (struct et_list **, const char **, int, long);
+
+KRB5_LIB_FUNCTION void KRB5_LIB_CALL
+free_error_table (struct et_list *);
 
 #endif /* __COM_RIGHT_H__ */
diff --git a/lib/com_err/error.c b/lib/com_err/error.c
index 854a4b66c..0e49a9410 100644
--- a/lib/com_err/error.c
+++ b/lib/com_err/error.c
@@ -46,7 +46,7 @@
 #define dgettext(d,s) (s)
 #endif
 
-const char *
+KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
 com_right(struct et_list *list, long code)
 {
     struct et_list *p;
@@ -56,7 +56,7 @@ com_right(struct et_list *list, long code)
     return NULL;
 }
 
-const char *
+KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
 com_right_r(struct et_list *list, long code, char *str, size_t len)
 {
     struct et_list *p;
@@ -79,7 +79,7 @@ struct foobar {
     struct error_table et;
 };
 
-void
+KRB5_LIB_FUNCTION void KRB5_LIB_CALL
 initialize_error_table_r(struct et_list **list,
 			 const char **messages,
 			 int num_errors,
@@ -103,7 +103,7 @@ initialize_error_table_r(struct et_list **list,
 }
 			
 
-void
+KRB5_LIB_FUNCTION void KRB5_LIB_CALL
 free_error_table(struct et_list *et)
 {
     while(et){