HelenOS sources

ALL_ONES           47 common/adt/bitmap.c #define ALL_ONES    0xff
ALL_ONES           47 kernel/generic/common/adt/bitmap.c #define ALL_ONES    0xff
ALL_ONES           47 uspace/lib/c/common/adt/bitmap.c #define ALL_ONES    0xff
HelenOS homepage, sources at GitHub