+ *#* Revision 1.31 2006/05/18 00:37:29 bernie
+ *#* Use hw_ser.h instead of ubiquitous hw.h.
+ *#*
+ *#* Revision 1.30 2006/02/17 22:23:06 bernie
+ *#* Update POSIX serial emulator.
+ *#*
+ *#* Revision 1.29 2005/11/27 23:31:48 bernie
+ *#* Support avr-libc 1.4.
+ *#*