HelenOS sources

BATTERY_DEV_IFACE   72 uspace/lib/c/include/ipc/dev_iface.h 	BATTERY_DEV_IFACE,
BATTERY_DEV_IFACE   72 uspace/lib/posix/include/libc/ipc/dev_iface.h 	BATTERY_DEV_IFACE,
HelenOS homepage, sources at GitHub