+#define EXT2_SUPER_MAGIC 0xEF53
+struct ext2_super_block {
+ unsigned char s_dummy1[56];
+ unsigned char s_magic[2];
+ unsigned char s_dummy2[46];
+ unsigned char s_uuid[16];
+ unsigned char s_volume_name[16];
+};
+#define ext2magic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))
+