Debian patch
diff -ruNp tcp_wrappers_7.6.orig/options.c tcp_wrappers_7.6/options.c
--- tcp_wrappers_7.6.orig/options.c	2006-03-01 23:45:28.000000000 +0100
+++ tcp_wrappers_7.6/options.c	2006-03-01 22:55:44.000000000 +0100
@@ -41,6 +41,7 @@ static char sccsid[] = "@(#) options.c 1
 #include <netinet/in.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <unistd.h>
 #include <syslog.h>
 #include <pwd.h>
 #include <grp.h>
diff -ruNp tcp_wrappers_7.6.orig/scaffold.c tcp_wrappers_7.6/scaffold.c
--- tcp_wrappers_7.6.orig/scaffold.c	2006-03-01 23:45:28.000000000 +0100
+++ tcp_wrappers_7.6/scaffold.c	2006-03-01 22:56:13.000000000 +0100
@@ -17,6 +17,7 @@ static char sccs_id[] = "@(#) scaffold.c
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <syslog.h>
 #include <setjmp.h>
 #include <string.h>
@@ -28,3 +28,2 @@
 
-extern char *malloc();