diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 4ed7ac6c6..0ea9c1aa3 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,7 @@
+2002-05-03  Christopher Faylor  <cgf@redhat.com>
+
+	* libc/include/sys/unistd.h: Define getdomainname under cygwin.
+
 2002-05-03  Thomas Fitzsimmons  <fitzsim@redhat.com>
 
 	* configure.in (CC_FOR_NEWLIB): Change -isystem's to -I's.
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 9ea34844c..ac39a59a6 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -47,6 +47,9 @@ pid_t   _EXFUN(fork, (void ));
 long    _EXFUN(fpathconf, (int __fd, int __name ));
 int     _EXFUN(fsync, (int __fd));
 char    _EXFUN(*getcwd, (char *__buf, size_t __size ));
+#if defined(__CYGWIN__)
+int	_EXFUN(getdomainname ,(char *__name, size_t __len));
+#endif
 gid_t   _EXFUN(getegid, (void ));
 uid_t   _EXFUN(geteuid, (void ));
 gid_t   _EXFUN(getgid, (void ));