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Rev 2071 Rev 2072
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        ((unsigned long *) dst)[i] = ((unsigned long *) src)[i];
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        ((unsigned long *) dst)[i] = ((unsigned long *) src)[i];
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    return (char *) src;
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    return (char *) src;
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}
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}
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/** Compare two memory areas.
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 *
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 * @param s1    Pointer to the first area to compare.
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 * @param s2    Pointer to the second area to compare.
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 * @param len   Size of the first area in bytes. Both areas must have the same
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 *      length.
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 * @return  If len is 0, return zero. If the areas match, return zero.
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 *      Otherwise return non-zero.
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 */
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int bcmp(const char *s1, const char *s2, size_t len)
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{
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    for (; len && *s1++ == *s2++; len--)
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        ;
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    return len;
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}
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/** Count the number of characters in the string, not including terminating 0.
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/** Count the number of characters in the string, not including terminating 0.
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 * @param str string
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 * @param str string
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 * @return number of characters in string.
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 * @return number of characters in string.
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 */
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 */