Based on a suggested change from Bert Deknuydt.
# include <sys/vfs.h>
#endif
-/* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
#if !HAVE_SYS_STATVFS_H && !HAVE_SYS_VFS_H
# if HAVE_SYS_MOUNT_H && HAVE_SYS_PARAM_H
+/* NetBSD 1.5.2 needs these, for the declaration of struct statfs. */
# include <sys/param.h>
# include <sys/mount.h>
+# elif HAVE_NETINET_IN_H && HAVE_NFS_NFS_CLNT_H && HAVE_NFS_VFS_H
+/* Ultrix 4.4 needs these for the declaration of struct statfs. */
+# include <netinet/in.h>
+# include <nfs/nfs_clnt.h>
+# include <nfs/vfs.h>
# endif
#endif