22 lines
372 B
C
22 lines
372 B
C
#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)memcmp.c 1.1 94/10/31 SMI"; /* from S5R2 1.1 */
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#endif
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/*LINTLIBRARY*/
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/*
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* Compare n bytes: s1>s2: >0 s1==s2: 0 s1<s2: <0
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*/
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int
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memcmp(s1, s2, n)
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register char *s1, *s2;
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register int n;
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{
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int diff;
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if (s1 != s2)
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while (--n >= 0)
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if (diff = *s1++ - *s2++)
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return (diff);
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return (0);
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}
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