/bonito_mainbus.c/1.19/Sat Aug  7 16:18:40 2021//Tnetbsd-10
/com_mainbus.c/1.15/Sat Dec  8 17:46:09 2018//Tnetbsd-10
/lpt_mainbus.c/1.12/Sat Jul  9 16:03:01 2011//Tnetbsd-10
/mainbus.c/1.30/Sat Aug  7 16:18:40 2021//Tnetbsd-10
/mcclock_mainbus.c/1.12/Sat Jul  9 16:03:01 2011//Tnetbsd-10
/vtpbc_mainbus.c/1.21/Sat Aug  7 16:18:40 2021//Tnetbsd-10
D