https://bugs.gentoo.org/945075
--- a/lib/ftstat.c
+++ b/lib/ftstat.c
@@ -831,11 +831,11 @@ struct jump {
 
 struct typelookup {
   char *name;
-  void* (*f_new)();
-  void* (*f_accum)();
-  void* (*f_calc)();
-  void* (*f_dump)();
-  void* (*f_free)();
+  void* (*f_new)(struct ftstat_rpt *);
+  void* (*f_accum)(struct ftstat_rpt *, char *, struct fts3rec_offsets *);
+  void* (*f_calc)(struct ftstat_rpt *);
+  void* (*f_dump)(FILE *, struct ftio *, struct ftstat_rpt *);
+  void* (*f_free)(void *);
   int allowed_fields; /* FT_STAT_FIELD_* */
   int allowed_options;/* FT_STAT_OPT_* */
   uint64_t xfields; /* FT_XFIELD_* */
--- a/src/acllex.l
+++ b/src/acllex.l
@@ -1,4 +1,5 @@
 %{
+#include <ftconfig.h>
 #include <ftlib.h>
 
 #if HAVE_STRINGS_H
--- a/src/flow-print.c
+++ b/src/flow-print.c
@@ -89,9 +89,7 @@ struct jump format[] = {{format0}, {format1}, {format2},
 
 void usage(void);
 
-int main(argc, argv)
-int argc;
-char **argv;
+int main(int argc, char **argv)
 {
   struct ftio ftio;
   struct ftprof ftp;