_PROTOTYPE( int bitmapsize, (bit_t _nr_bits) ); _PROTOTYPE( unsigned conv2, (int _norm, int _w) ); _PROTOTYPE( long conv4, (int _norm, long _x) ); _PROTOTYPE( void conv_inode, (struct inode *_rip, d1_inode *_dip, d2_inode *_dip2, int _rw_flag, int _magic) ); _PROTOTYPE( void old_icopy, (struct inode *_rip, d1_inode *_dip, int _direction, int _norm)); _PROTOTYPE( void new_icopy, (struct inode *_rip, d2_inode *_dip, int _direction, int _norm));