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	runestrncmp.c - 9base - revived minimalist port of Plan 9 userland to Unix
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	runestrncmp.c (1044B)
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	1 /*
	2 * The authors of this software are Rob Pike and Ken Thompson.
	3 * Copyright (c) 2002 by Lucent Technologies.
	4 * Permission to use, copy, modify, and distribute this software for any
	5 * purpose without fee is hereby granted, provided that this entire noti…
	6 * is included in all copies of any software which is or includes a copy
	7 * or modification of this software and in all copies of the supporting
	8 * documentation for such software.
	9 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLI…
	10 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES…
	11 * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABI…
	12 * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
	13 */
	14 #include <stdarg.h>
	15 #include <string.h>
	16 #include "plan9.h"
	17 #include "utf.h"
	18
	19 int
	20 runestrncmp(Rune s1, Rune s2, long n)
	21 {
	22 Rune c1, c2;
	23
	24 while(n > 0) {
	25 c1 = *s1++;
	26 c2 = *s2++;
	27 n--;
	28 if(c1 != c2) {
	29 if(c1 > c2)
	30 return 1;
	31 return -1;
	32 }
	33 if(c1 == 0)
	34 break;
	35 }
	36 return 0;
	37 }