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 */
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 */
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#ifndef LIBC_BITOPS_H_
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#ifndef LIBC_BITOPS_H_
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#define LIBC_BITOPS_H_
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#define LIBC_BITOPS_H_
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#include <types.h>
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#include <sys/types.h>
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/** Return position of first non-zero bit from left (i.e. [log_2(arg)]).
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/** Return position of first non-zero bit from left (i.e. [log_2(arg)]).
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 *
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 *
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 * If number is zero, it returns 0
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 * If number is zero, it returns 0