ARCMSR_CDB
struct ARCMSR_CDB *arcmsr_cdb;
arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
struct ARCMSR_CDB *arcmsr_cdb;
struct ARCMSR_CDB *arcmsr_cdb;
bzero(arcmsr_cdb, sizeof (struct ARCMSR_CDB));
struct ARCMSR_CDB arcmsr_cdb;