diff --git a/bfd/hosts/ultra3.h b/bfd/hosts/ultra3.h
new file mode 100644
index 00000000000..e3df430c978
--- /dev/null
+++ b/bfd/hosts/ultra3.h
@@ -0,0 +1,34 @@
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+
+#define SEEK_SET	0
+#define SEEK_CUR	1
+
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+
+extern char	*malloc();
+extern void	free();
+
+/* EXACT TYPES */
+typedef char 		int8e_type;
+typedef unsigned char 	uint8e_type;
+typedef short 		int16e_type;
+typedef unsigned short 	uint16e_type;
+typedef int 		int32e_type;
+typedef unsigned int 	uint32e_type;
+
+/* CORRECT SIZE OR GREATER */
+typedef char 		int8_type;
+typedef unsigned char 	uint8_type;
+typedef short 		int16_type;
+typedef unsigned short 	uint16_type;
+typedef int 		int32_type;
+typedef unsigned int 	uint32_type;