minix/servers/iso9660fs/buf.h

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#include <dirent.h>
PUBLIC struct buf {
char b_data[_MAX_BLOCK_SIZE]; /* ordinary user data */
block_t b_blocknr; /* block number of its (minor) device */
char b_count; /* number of users of this buffer */
} buf[NR_BUFS];
/* A block is free if b_dev == NO_DEV. */
#define INODE_BLOCK 0 /* inode block */
#define DIRECTORY_BLOCK 1 /* directory block */