LIO_READ
aiocbp->aio_lio_opcode = LIO_READ;
case LIO_READ:
case LIO_READ:
aiocbp->aio_lio_opcode = LIO_READ;
event = (mode == LIO_READ)? AIOAREAD : AIOAWRITE;
event = (mode == LIO_READ)? AIOAREAD64 : AIOAWRITE64;
event = (mode == LIO_READ)? AIOAREAD : AIOAWRITE;