30 lines
267 B
C
30 lines
267 B
C
int
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ffs (x)
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int x;
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{
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int bit, mask;
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if (x == 0)
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return 0;
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for (bit = 1, mask = 1; !(x & mask); bit++, mask <<= 1)
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;
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return bit;
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}
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f (x)
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int x;
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{
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int y;
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y = ffs (x) - 1;
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if (y < 0)
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abort ();
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}
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main ()
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{
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f (1);
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exit (0);
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}
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