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										 |  |  | /*-
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							|  |  |  |  * Copyright (c) 1992, 1993, 1994 Henry Spencer. | 
					
						
							|  |  |  |  * Copyright (c) 1992, 1993, 1994 | 
					
						
							|  |  |  |  *	The Regents of the University of California.  All rights reserved. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This code is derived from software contributed to Berkeley by | 
					
						
							|  |  |  |  * Henry Spencer. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Redistribution and use in source and binary forms, with or without | 
					
						
							|  |  |  |  * modification, are permitted provided that the following conditions | 
					
						
							|  |  |  |  * are met: | 
					
						
							|  |  |  |  * 1. Redistributions of source code must retain the above copyright | 
					
						
							|  |  |  |  *    notice, this list of conditions and the following disclaimer. | 
					
						
							|  |  |  |  * 2. Redistributions in binary form must reproduce the above copyright | 
					
						
							|  |  |  |  *    notice, this list of conditions and the following disclaimer in the | 
					
						
							|  |  |  |  *    documentation and/or other materials provided with the distribution. | 
					
						
							|  |  |  |  * 3. All advertising materials mentioning features or use of this software | 
					
						
							|  |  |  |  *    must display the following acknowledgement: | 
					
						
							|  |  |  |  *	This product includes software developed by the University of | 
					
						
							|  |  |  |  *	California, Berkeley and its contributors. | 
					
						
							|  |  |  |  * 4. Neither the name of the University nor the names of its contributors | 
					
						
							|  |  |  |  *    may be used to endorse or promote products derived from this software | 
					
						
							|  |  |  |  *    without specific prior written permission. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | 
					
						
							|  |  |  |  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
					
						
							|  |  |  |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
					
						
							|  |  |  |  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
					
						
							|  |  |  |  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
					
						
							|  |  |  |  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
					
						
							|  |  |  |  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
					
						
							|  |  |  |  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
					
						
							|  |  |  |  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
					
						
							|  |  |  |  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
					
						
							|  |  |  |  * SUCH DAMAGE. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *	@(#)utils.h	8.3 (Berkeley) 3/20/94 | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | 
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							|  |  |  | /* utility definitions */ | 
					
						
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										 |  |  | #if defined(_WIN32) || defined(__MINGW32__) || defined(__CYGWIN__)
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											2001-04-09 19:54:03 +00:00
										 |  |  | #define	DUPMAX		((unsigned int)-2)	/* xxx is this right? */
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							|  |  |  | #else
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							|  |  |  | #define	DUPMAX		_POSIX2_RE_DUP_MAX	/* xxx is this right? */
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							|  |  |  | #endif
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							|  |  |  | #define	INFINITY	(DUPMAX + 1)
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							|  |  |  | #define	NC		(CHAR_MAX - CHAR_MIN + 1)
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							|  |  |  | typedef unsigned char uch; | 
					
						
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							|  |  |  | /* switch off assertions (if not already off) if no REDEBUG */ | 
					
						
							|  |  |  | #ifndef REDEBUG
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							|  |  |  | #ifndef NDEBUG
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							|  |  |  | #define	NDEBUG	/* no assertions please */
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							|  |  |  | #endif
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							|  |  |  | #endif
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							|  |  |  | #include <assert.h>
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							|  |  |  | 
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							|  |  |  | /* for old systems with bcopy() but no memmove() */ | 
					
						
							|  |  |  | #ifdef USEBCOPY
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							|  |  |  | #define	memmove(d, s, c)	bcopy(s, d, c)
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							|  |  |  | #endif
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