Index: database.c
--- database.c.orig
+++ database.c
@@ -7,6 +7,7 @@
  * Copyright (C) Jaakko Heinonen
  */
 
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -936,7 +937,7 @@ item_merge(list_item dest, list_item src)
  */
 
 /* quick lookup by "standard" field number */
-inline int
+int
 field_id(int i)
 {
 	assert((i >= 0) && (i < ITEM_FIELDS));
