IOP_ADDR_SEND_MSG 382 arch/m68k/mac/iop.c offset = IOP_ADDR_SEND_MSG + (msg->channel * IOP_MSG_LEN); IOP_ADDR_SEND_MSG 411 arch/m68k/mac/iop.c offset = IOP_ADDR_SEND_MSG + (chan * IOP_MSG_LEN);