53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*
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* Copyright (c) 1988 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted provided
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* that: (1) source distributions retain this entire copyright notice and
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* comment, and (2) distributions including binaries display the following
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* acknowledgement: ``This product includes software developed by the
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* University of California, Berkeley and its contributors'' in the
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* documentation or other materials provided with the distribution and in
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* all advertising materials mentioning features or use of this software.
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* Neither the name of the University nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @(#)general.h 5.1 (Berkeley) 9/14/90
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*/
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/*
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* Some general definitions.
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*/
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#define numberof(x) (sizeof x/sizeof x[0])
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#define highestof(x) (numberof(x)-1)
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#if defined(unix)
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#define ClearElement(x) bzero((char *)&x, sizeof x)
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#define ClearArray(x) bzero((char *)x, sizeof x)
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#else /* defined(unix) */
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#define ClearElement(x) memset((char *)&x, 0, sizeof x)
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#define ClearArray(x) memset((char *)x, 0, sizeof x)
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#endif /* defined(unix) */
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#if defined(unix) /* Define BSD equivalent mem* functions */
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#define memcpy(dest,src,n) bcopy(src,dest,n)
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#define memmove(dest,src,n) bcopy(src,dest,n)
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#define memset(s,c,n) if (c == 0) { \
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bzero(s,n); \
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} else { \
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register char *src = s; \
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register int count = n; \
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\
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while (count--) { \
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*src++ = c; \
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} \
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}
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#define memcmp(s1,s2,n) bcmp(s1,s2,n)
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#endif /* defined(unix) */
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