--- a/hosts_access.c	2024-05-14 09:45:54.109391777 +0200
+++ b/hosts_access.c	2024-05-14 09:28:19.989639524 +0200
@@ -38,6 +38,7 @@ static char sccsid[] = "@(#) hosts_acces
 #include <errno.h>
 #include <setjmp.h>
 #include <string.h>
+#include <stdlib.h>
 
 extern char *fgets();
 extern int errno;
@@ -88,6 +89,7 @@ static int client_match();
 static int host_match();
 static int string_match();
 static int masked_match();
+static int match_pattern_ylo();
 #ifdef INET6
 static void ipv6_mask();
 #endif
--- a/inetcf.c	2024-05-14 09:45:54.076058239 +0200
+++ b/inetcf.c	2024-05-14 09:39:27.373700870 +0200
@@ -14,12 +14,14 @@ static char sccsid[] = "@(#) inetcf.c 1.
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
+#include <stdlib.h>
 
 extern int errno;
 extern void exit();
 
 #include "tcpd.h"
 #include "inetcf.h"
+#include "scaffold.h"
 
  /*
   * Network configuration files may live in unusual places. Here are some
--- a/misc.c	2024-05-14 09:45:54.102725070 +0200
+++ b/misc.c	2024-05-14 09:35:49.282373657 +0200
@@ -14,6 +14,8 @@ static char sccsic[] = "@(#) misc.c 1.2
 #include <arpa/inet.h>
 #include <stdio.h>
 #include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
 
 #include "tcpd.h"
 
--- a/safe_finger.c	2024-05-14 09:45:54.069391531 +0200
+++ b/safe_finger.c	2024-05-14 09:45:21.879195309 +0200
@@ -52,7 +52,9 @@ int     sig;
     exit(0);
 }
 
-main(argc, argv)
+static int pipe_stdin();
+
+int main(argc, argv)
 int     argc;
 char  **argv;
 {
--- a/socket.c	2024-05-14 09:45:54.112725131 +0200
+++ b/socket.c	2024-05-14 09:34:34.351917685 +0200
@@ -200,7 +200,7 @@ struct host_info *host;
         case AF_INET6:
             ap = (char *)&((struct sockaddr_in6 *)sin)->sin6_addr;
 	    if (IN6_IS_ADDR_V4MAPPED(ap)) {
-		ap = &((struct in6_addr *) ap)->s6_addr32[3];
+		ap = (char *)&((struct in6_addr *) ap)->s6_addr32[3];
 		af = AF_INET;
 	    }
             break;
--- a/tcpd.c	2024-05-14 09:45:53.962724209 +0200
+++ b/tcpd.c	2024-05-14 09:15:43.001693796 +0200
@@ -42,7 +42,7 @@ static char sccsid[] = "@(#) tcpd.c 1.10
 int     allow_severity = SEVERITY;	/* run-time adjustable */
 int     deny_severity = LOG_WARNING;	/* ditto */
 
-main(argc, argv)
+int main(argc, argv)
 int     argc;
 char  **argv;
 {
--- a/tcpd.h	2024-05-14 09:45:54.102725070 +0200
+++ b/tcpd.h	2024-05-14 09:43:00.575000561 +0200
@@ -89,6 +89,7 @@ extern char *xgets(char *, int, FILE *);
 extern char *split_at(char *, int);
 extern unsigned long dot_quad_addr(char *);
 extern char *skip_ipv6_addrs(char *);
+extern unsigned long prefix_to_netmask(char *);
 #else
 extern int hosts_access();		/* access control */
 extern void shell_cmd();		/* execute shell command */
@@ -100,6 +101,7 @@ extern char *xgets();			/* fgets() on st
 extern char *split_at();		/* strchr() and split */
 extern unsigned long dot_quad_addr();	/* restricted inet_addr() */
 extern char *skip_ipv6_addrs();
+extern unsigned long prefix_to_netmask();
 #endif
 
 /* Global variables. */
--- a/try-from.c	1994-12-28 17:42:55.000000000 +0100
+++ b/try-from.c	2024-05-14 09:39:43.527132682 +0200
@@ -37,7 +37,7 @@ static char sccsid[] = "@(#) try-from.c
 int     allow_severity = SEVERITY;	/* run-time adjustable */
 int     deny_severity = LOG_WARNING;	/* ditto */
 
-main(argc, argv)
+int main(argc, argv)
 int     argc;
 char  **argv;
 {