--- src/proto.h.orig	2014-07-20 11:50:21.000000000 -0700
+++ src/proto.h	2014-07-20 11:52:27.000000000 -0700
@@ -271,7 +271,7 @@
 void killsock(int);
 void killtclsock(int);
 int answer(int, char *, unsigned long *, unsigned short *, int);
-inline int open_listen(int *);
+int open_listen(int *);
 int open_address_listen(IP addr, int *);
 int open_telnet(char *, int);
 int open_telnet_dcc(int, char *, char *);