11 lines
167 B
C
11 lines
167 B
C
/* $Header$ */
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ffs(i)
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register int i;
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{
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register int n;
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for (n = 8*sizeof(int); n > 0; n--, i >>= 1)
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if ((i&1))
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return (8*sizeof(int) + 1) - n;
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return -1;
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}
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