diff --git a/mozilla/network/main/mkconect.c b/mozilla/network/main/mkconect.c
index feb749441ca..4fc2cfecd3f 100644
--- a/mozilla/network/main/mkconect.c
+++ b/mozilla/network/main/mkconect.c
@@ -84,7 +84,7 @@
 
 #include <resolv.h>
 
-#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV)
+#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV) && !defined(DGUX)
 #include <sys/filio.h>
 #endif
 
diff --git a/mozilla/network/main/mksockrw.c b/mozilla/network/main/mksockrw.c
index fd8afc49e35..936e14f200f 100644
--- a/mozilla/network/main/mksockrw.c
+++ b/mozilla/network/main/mksockrw.c
@@ -47,7 +47,7 @@ extern int XP_ERRNO_EWOULDBLOCK;
 
 #include <resolv.h>
 
-#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV)
+#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV) && !defined(DGUX)
 #include <sys/filio.h>
 #endif
 
diff --git a/mozilla/network/protocol/ftp/mkftp.c b/mozilla/network/protocol/ftp/mkftp.c
index a074a787e09..2172f1b2e0c 100644
--- a/mozilla/network/protocol/ftp/mkftp.c
+++ b/mozilla/network/protocol/ftp/mkftp.c
@@ -61,7 +61,7 @@
 #endif /* XP_OS2 */
 
 #ifdef XP_UNIX
-#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV)
+#if !defined(__osf__) && !defined(AIXV3) && !defined(_HPUX_SOURCE) && !defined(__386BSD__) && !defined(__linux) && !defined(SCO_SV) && !defined(DGUX)
 #include <sys/filio.h>
 #endif
 #endif /* XP_UNIX */ 
diff --git a/mozilla/sun-java/stubs/include/typedefs_md.h b/mozilla/sun-java/stubs/include/typedefs_md.h
index 1ffc1f211f8..5e17ac535e7 100644
--- a/mozilla/sun-java/stubs/include/typedefs_md.h
+++ b/mozilla/sun-java/stubs/include/typedefs_md.h
@@ -28,7 +28,7 @@
 
 PR_BEGIN_EXTERN_C
 
-#if (defined(__sun) && !defined(SOLARIS2_6)) || defined(HPUX9) || defined(HPUX10_10) || defined(XP_PC) || defined(AIX) || defined(OSF1) || defined(XP_MAC) || defined(SONY) || defined(SNI) || defined(UNIXWARE) || defined(LINUX)
+#if (defined(__sun) && !defined(SOLARIS2_6)) || defined(HPUX9) || defined(HPUX10_10) || defined(XP_PC) || defined(AIX) || defined(OSF1) || defined(XP_MAC) || defined(SONY) || defined(SNI) || defined(UNIXWARE) || defined(LINUX) || defined(DGUX)
 typedef int16 int16_t;
 typedef int32 int32_t;
 #endif