--- /dev/null
+--- a/extra/scripts/unifdef.c
++++ b/extra/scripts/unifdef.c
+@@ -206,7 +206,7 @@ static void done(void);
+ static void error(const char *);
+ static int findsym(const char *);
+ static void flushline(bool);
+-static Linetype getline(void);
++static Linetype __getline(void);
+ static Linetype ifeval(const char **);
+ static void ignoreoff(void);
+ static void ignoreon(void);
+@@ -512,7 +512,7 @@ process(void)
+
+ for (;;) {
+ linenum++;
+- lineval = getline();
++ lineval = __getline();
+ trans_table[ifstate[depth]][lineval]();
+ debug("process %s -> %s depth %d",
+ linetype_name[lineval],
+@@ -526,7 +526,7 @@ process(void)
+ * help from skipcomment().
+ */
+ static Linetype
+-getline(void)
++__getline(void)
+ {
+ const char *cp;
+ int cursym;