37    int bit = 0;  in ffs()  local
39       return bit;  in ffs()
41       bit += 16;  in ffs()
45       bit += 8;  in ffs()
49       bit += 4;  in ffs()
53       bit += 2;  in ffs()
57       bit += 1;  in ffs()
58    return bit + 1;  in ffs()
68    int bit;  in ffsll()  local
70    bit = ffs((unsigned) (val & 0xffffffff));  in ffsll()
71    if (bit != 0)  in ffsll()
72       return bit;  in ffsll()
74    bit = ffs((unsigned) (val >> 32));  in ffsll()
75    if (bit != 0)  in ffsll()
76       return 32 + bit;  in ffsll()