mrd_scsi_decode, mrd_map_os_error - Various MRD utility functions

    Windows NT         mrd.dll
    UNIX               /usr/lib/libmrd.a
    OpenVMS            MRD$RTL.EXE

    #include <mrd_common.h>
    #include <mrd_message.h>

    int mrd_scsi_decode(dev_status_t *dev_status);

    int mrd_map_os_error(int os_status, char *log_info);