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#include <string.h>
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int memcmp(const void *src1, const void *src2, size_t bytes)
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{
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const unsigned char *s1, *s2;
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int result;
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s1 = src1;
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s2 = src2;
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result = 0;
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while((bytes > 0) && (result == 0)) {
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result = *s1 - *s2;
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bytes--;
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s1++;
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s2++;
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}
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return result;
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}
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