Manual section D2oddi

close - relinquish access to a device
halt - device-specific shutdown processing
init, pminit - initialize a device during system initialization
intr - handle interrupts
Intro - introduction to SCO OpenServer DDI driver entry-point routines
ioctl - device-specific operations
open - gain access to a device
pminit - pre-main init
poll - poll a device
print - report error during block I/O transfer
probe - provide driver-specific information for DQI
proc - process device-dependent operations in a TTY driver
read - read data character-by-character
start - initialize a static device driver (with interrupts enabled)
strategy - handle block device input and output
write - write data character-by-character