#include <exec/types.h>

BOOL openDisk(STRPTR name, LONG unit, LONG flags);
VOID closeDisk(VOID);
LONG setMapping(LONG block_size, LONG first_block);
BOOL readDisk(LONG blockno, UBYTE *buf, LONG size);
UBYTE *getBuffer(LONG size);
VOID freeBuffer(UBYTE *buf);