--- awk.h~	2005-07-26 20:07:43.000000000 +0200
+++ awk.h	2009-01-05 22:51:38.000000000 +0100
@@ -43,6 +43,7 @@
 
 #include <stdio.h>
 #include <assert.h>
+#include <dirent.h>
 #ifdef HAVE_LIMITS_H
 #include <limits.h>
 #endif /* HAVE_LIMITS_H */
@@ -605,6 +606,7 @@
 	const char *name;       /* filename */
 	int fd;                 /* file descriptor */
 	struct stat sbuf;       /* stat buf */
+	DIR *dirp;       	/* dir entry */
 	char *buf;              /* start data buffer */
 	char *off;              /* start of current record in buffer */
 	char *dataend;          /* first byte in buffer to hold new data,
@@ -628,6 +630,7 @@
 #               define  IOP_AT_EOF      16
 #               define  IOP_CLOSED      32
 #               define  IOP_AT_START    64
+#		define	IOP_IS_DIR	128
 } IOBUF;
 
 typedef void (*Func_ptr) P((void));