- CACHE_PARMS
- CALC_LOAD
- CAN_RECONNECT
- CAPS
- CAPSDOWN
- CAPSLED
- CASCADE
- CBAUD
- CDF
- CDROMDOORLOCK
- CDROMDOORUNLOCK
- CDROMEJECT
- CDROMPAUSE
- CDROMPLAYMSF
- CDROMPLAYTRKIND
- CDROMREADMODE1
- CDROMREADMODE2
- CDROMREADTOCENTRY
- CDROMREADTOCHDR
- CDROMRESUME
- CDROMSTART
- CDROMSTOP
- CDROMSUBCHNL
- CDROMVOLCTRL
- CDROM_AUDIO_COMPLETED
- CDROM_AUDIO_ERROR
- CDROM_AUDIO_INVALID
- CDROM_AUDIO_NO_STATUS
- CDROM_AUDIO_PAUSED
- CDROM_AUDIO_PLAY
- CDROM_DATA_TRACK
- CDROM_LBA
- CDROM_LEADOUT
- CDROM_MODE1_SIZE
- CDROM_MODE2_SIZE
- CDROM_MSF
- CERTIFICATION_PARMS
- CGA
- CGAIO
- CGA_GET
- CHARS
- CHECK_CONDITION
- CHILD_MAX
- CIBAUD
- CLEAR_INTR
- CLEAR_TIMER
- CLOCAL
- CMAGIC
- CMD_ATTN
- CMD_BSY
- CMD_BUSOFF_TIME
- CMD_BUSON_TIME
- CMD_DRVR_ENABLE
- CMD_ECHO
- CMD_EMBOI
- CMD_EN_PARITY
- CMD_INQUIRY
- CMD_INTR
- CMD_MBINIT
- CMD_NOP
- CMD_RDY
- CMD_REJ
- CMD_RETCONF
- CMD_RETDEVS
- CMD_RETSETUP
- CMD_RST
- CMD_SEL
- CMD_START_ARB
- CMD_START_SCSI
- CMOS_READ
- CODE_SPACE
- COMMAND
- COMMAND_COMPLETE
- COMMAND_SIZE
- COMPARE
- CONDITION_GOOD
- CONFG_SCSI
- CONFIG
- CONFIG_BLK_DEV_HD
- CONFIG_BLK_DEV_SD
- CONFIG_BLK_DEV_SR
- CONFIG_BLK_DEV_ST
- CONFIG_DISTRIBUTION
- CONFIG_SCSI
- CONFIG_SCSI_7000FASST
- CONFIG_SCSI_AHA1542
- CONFIG_SCSI_ALWAYS
- CONFIG_SCSI_CSC
- CONFIG_SCSI_DTC
- CONFIG_SCSI_FUTURE_DOMAIN
- CONFIG_SCSI_SEAGATE
- CONFIG_SCSI_ULTRASTOR
- CONST1
- CONSTL2E
- CONSTL2T
- CONSTLG2
- CONSTLN2
- CONSTPI
- CONSTZ
- CONS_CURRENT
- CONS_GET
- CONTROL
- COPY
- COPYBLK
- COPY_ABORTED
- COPY_VERIFY
- CR0
- CR1
- CR2
- CR3
- CRDLY
- CREAD
- CRTSCTS
- CS
- CS5
- CS6
- CS7
- CS8
- CSIZE
- CSTOPB
- CT_TO_SECS
- CT_TO_USECS
- CURRENT
- CURRENT_DEV
- CURRENT_DEVICE
- CURRENT_ERRORS
- CURRENT_TIME
- C_HUP
- C_SPEED