HelenOS sources

IFACE_SUBCLASS_FMT  130 uspace/lib/usbdev/src/recognise.c #define IFACE_SUBCLASS_FMT "interface&class=%s&subclass=0x%02x"
IFACE_SUBCLASS_FMT  199 uspace/lib/usbdev/src/recognise.c #undef IFACE_SUBCLASS_FMT
HelenOS homepage, sources at GitHub