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#include <string.h>
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size_t
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strxfrm(char *s1, const char *s2, size_t n)
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{
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	/*
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	 * BUG: supposed to transform s2 to a canonical form
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	 * so that strcmp can be used instead of strcoll, but
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	 * our strcoll just uses strcmp.
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	 */
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	size_t xn = strlen(s2);
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	if(n > xn)
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		n = xn;
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	memcpy(s1, s2, n);
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	return xn;
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}