CPTR
read.address = CPTR;
*result = read_byte(priv, CPTR);
read_byte(priv, CPTR);
*result = read_byte(priv, CPTR);
unsigned short command_byte = read_byte(priv, CPTR) & gpib_command_mask;
if ((read_byte(priv, CPTR) & gpib_command_mask) == MSA(board->sad))
read_byte(priv, CPTR);
*result = read_byte(&tnt_priv->nec7210_priv, CPTR);