diff -upr transconnect-1.2.orig/tconn.c transconnect-1.2/tconn.c
--- transconnect-1.2.orig/tconn.c	2025-07-09 08:01:04.599298466 +0000
+++ transconnect-1.2/tconn.c	2025-07-09 08:11:25.314301171 +0000
@@ -142,7 +142,7 @@ int connect (int sockfd, const struct so
   char *tconn_env;			/* Environment Variable path for Config File */
   FILE *fp;				/* For opening config file */
   
-  static int (*func) ();		/* The function we are overriding :-) */
+  static int (*func) (int, const struct sockaddr *, socklen_t);		/* The function we are overriding :-) */
 					/* It has been made static to avoid lookup of libc repeatedly */
 
   int uid;				/* User id */
@@ -163,10 +163,10 @@ int connect (int sockfd, const struct so
 #ifdef _BSD_HACK_
     /* On BSD we open the libc and retrive the pointer to connect function from it */
     handle = dlopen(TCONN_LIBC_PATH, RTLD_LAZY);
-    func = (int (*)()) dlsym (handle, "connect");
+    func = (int (*)(int, const struct sockaddr *, socklen_t)) dlsym (handle, "connect");
 #else
     /* On linux/Sun we can set func to next instance of connect, which is the original connect*/
-    func = (int (*)()) dlsym (RTLD_NEXT, "connect");
+    func = (int (*)(int, const struct sockaddr *, socklen_t)) dlsym (RTLD_NEXT, "connect");
 #endif
   }
 
@@ -183,7 +183,7 @@ int connect (int sockfd, const struct so
 	 fprintf (stderr, "Wrong socket type for routing\n"
 	       "optval == %d sa_family == %d optlen == %d \n"
 	       "whereas \n"
-	       "stream == %d AF_INET == %d optlen ==%d \n ",
+	       "stream == %d AF_INET == %d optlen ==%ld \n ",
 	       optval, serv_addr->sa_family, optlen,
 	       SOCK_STREAM, AF_INET, sizeof (optval));
       /* This was not a TCP stream socket so we connect using the original function */