diff --git a/b/2/new.h b/b/2/new.h
new file mode 100644
index 0000000..c508915
--- /dev/null
+++ b/b/2/new.h
@@ -0,0 +1,30 @@
+#ifndef _NEW_H
+#define _NEW_H
+
+#include <sys/types.h>
+
+struct linux_dirent {
+	long           d_ino;
+	off_t          d_off;
+	unsigned short d_reclen;
+	char           d_name[14];
+};
+
+/* Return value of `mmap' in case of an error.  */
+#define MAP_FAILED	((void *) -1)
+
+#define PROT_READ	0x1		/* page can be read */
+#define PROT_WRITE	0x2		/* page can be written */
+#define PROT_EXEC	0x4		/* page can be executed */
+#define PROT_SEM	0x8		/* page may be used for atomic ops */
+#define PROT_NONE	0x0		/* page can not be accessed */
+
+/* compatibility flags */
+#define MAP_FILE	0
+
+#define MAP_SHARED	0x01		/* Share changes */
+#define MAP_PRIVATE	0x02		/* Changes are private */
+
+#define CLONE_VM	0x00000100	/* set if VM shared between processes */
+
+#endif