EXPORT_SYMBOL(comedi_buf_put);
EXPORT_SYMBOL(comedi_buf_get);
EXPORT_SYMBOL(comedi_buf_read_n_available);
-EXPORT_SYMBOL(comedi_buf_copy_from);
EXPORT_SYMBOL(comedi_buf_write_free);
EXPORT_SYMBOL(comedi_buf_write_alloc);
EXPORT_SYMBOL(comedi_buf_read_free);
void comedi_buf_write_free(comedi_async *async, unsigned int nbytes);
void comedi_buf_read_free(comedi_async *async, unsigned int nbytes);
unsigned int comedi_buf_read_n_available(comedi_async *async);
-void comedi_buf_copy_from(comedi_async *async, void *dest, int nbytes);
void comedi_buf_memcpy_to( comedi_async *async, unsigned int offset, const void *source,
unsigned int num_bytes );
void comedi_buf_memcpy_from( comedi_async *async, unsigned int offset, void *destination,