www.pudn.com > tcpipsim.rar > syslimits.h

/* 
 * Copyright (c) 1988, 1993 
 *	The Regents of the University of California.  All rights reserved. 
 * 
 * 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. 
 * 
 *	@(#)syslimits.h	8.1 (Berkeley) 6/2/93 
 */ 
 
#define	ARG_MAX			20480	/* max bytes for an exec function */ 
#define	CHILD_MAX		   40	/* max simultaneous processes */ 
#define	LINK_MAX		32767	/* max file link count */ 
#define	MAX_CANON		  255	/* max bytes in term canon input line */ 
#define	MAX_INPUT		  255	/* max bytes in terminal input */ 
#define	NAME_MAX		  255	/* max bytes in a file name */ 
#define	NGROUPS_MAX		   16	/* max supplemental group id's */ 
#define	OPEN_MAX		   64	/* max open files per process */ 
#define	PATH_MAX		 1024	/* max bytes in pathname */ 
#define	PIPE_BUF		  512	/* max bytes for atomic pipe writes */ 
 
#define	BC_BASE_MAX		   99	/* max ibase/obase values in bc(1) */ 
#define	BC_DIM_MAX		 2048	/* max array elements in bc(1) */ 
#define	BC_SCALE_MAX		   99	/* max scale value in bc(1) */ 
#define	BC_STRING_MAX		 1000	/* max const string length in bc(1) */ 
#define	COLL_WEIGHTS_MAX	    0	/* max weights for order keyword */ 
#define	EXPR_NEST_MAX		   32	/* max expressions nested in expr(1) */ 
#define	LINE_MAX		 2048	/* max bytes in an input line */ 
#define	RE_DUP_MAX		  255	/* max RE's in interval notation */