# the configuration line "logfile <filename>" in CONFIG_FILE.
#
# There are three serial port system software interfaces, each of
# which is peculiar to one or more Unix versions. Define
# -DHAVE_SYSV_TTYS for basic System V compatibility; define -DSTREAM
# for POSIX compatibility including System V Streams, and
# the configuration line "logfile <filename>" in CONFIG_FILE.
#
# There are three serial port system software interfaces, each of
# which is peculiar to one or more Unix versions. Define
# -DHAVE_SYSV_TTYS for basic System V compatibility; define -DSTREAM
# for POSIX compatibility including System V Streams, and