Index: tester.c
===================================================================
--- tester.c	(revision 35415)
+++ tester.c	(revision 35416)
@@ -14,7 +14,7 @@
 
 	printf("CDF header:\n");
 	printf("  ver=%04x rev=%04x %s-endian sect_size=%d,%d\n", ctx.file_ver, ctx.file_rev, ctx.litend ? "little" : "big", ctx.sect_size, ctx.short_sect_size);
-	printf("  sat: %ld+%ld ssat=%ld+%ld msat=%ld+%ld\n", ctx.sat_first, ctx.sat_len, ctx.ssat_first, ctx.ssat_len, ctx.msat_first, ctx.msat_len);
+	printf("  sat_len: %ld; dir1=%ld ssat=%ld+%ld msat=%ld+%ld\n", ctx.sat_len, ctx.dir_first, ctx.ssat_first, ctx.ssat_len, ctx.msat_first, ctx.msat_len);
 
 	return 0;
 }
Index: ucdf.c
===================================================================
--- ucdf.c	(revision 35415)
+++ ucdf.c	(revision 35416)
@@ -138,7 +138,7 @@
 	safe_read(buff, 4);
 	ctx->sat_len = load_int(ctx, buff, 4);
 	safe_read(buff, 4);
-	ctx->sat_first = load_int(ctx, buff, 4);
+	ctx->dir_first = load_int(ctx, buff, 4);
 
 	safe_seek(60);
 	safe_read(buff, 4);
Index: ucdf.h
===================================================================
--- ucdf.h	(revision 35415)
+++ ucdf.h	(revision 35416)
@@ -27,7 +27,8 @@
 	/* cache/interanl */
 	FILE *f; /* the file we are reading from */
 	int ssz, sssz;
-	long sat_len, sat_first;
+	long sat_len;
+	long dir_first;            /* first sector ID of the directory stream */
 	long ssat_len, ssat_first; /* short allocation table */
 	long msat_len, msat_first; /* master allocation table */