--- a/remserial.c
+++ b/remserial.c
@@ -54,6 +54,7 @@ void sighandler(int sig);
 int connect_to(struct sockaddr_in *addr);
 void usage(char *progname);
 void link_slave(int fd);
+void set_tty(int fd,char *settings);
 
 int main(int argc, char *argv[])
 {