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#include <u.h>
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#include <libc.h>
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char*
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strecpy(char *to, char *e, char *from)
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{
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	if(to >= e)
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		return to;
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	to = memccpy(to, from, '\0', e - to);
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	if(to == nil){
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		to = e - 1;
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		*to = '\0';
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	}else{
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		to--;
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	}
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	return to;
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}