limits.h

来自「基于组件方式开发操作系统的OSKIT源代码」· C头文件 代码 · 共 71 行

H
71
字号
/* * 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. * *	@(#)limits.h	8.3 (Berkeley) 1/4/94 */#ifndef _OSKIT_ARM32_C_LIMITS_H_#define	_OSKIT_ARM32_C_LIMITS_H_#define	CHAR_BIT	8		/* number of bits in a char *//* * According to ANSI (section 2.2.4.2), the values below must be usable by * #if preprocessing directives.  Additionally, the expression must have the * same type as would an expression that is an object of the corresponding * type converted according to the integral promotions.  The subtraction for * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2). * These numbers work for pcc as well.  The UINT_MAX and ULONG_MAX values * are written as hex so that GCC will be quiet about large integer constants. */#define	SCHAR_MAX	127		/* min value for a signed char */#define	SCHAR_MIN	(-128)		/* max value for a signed char */#define	UCHAR_MAX	255		/* max value for an unsigned char */#define	CHAR_MAX	127		/* max value for a char */#define	CHAR_MIN	(-128)		/* min value for a char */#define	USHRT_MAX	65535		/* max value for an unsigned short */#define	SHRT_MAX	32767		/* max value for a short */#define	SHRT_MIN	(-32768)	/* min value for a short */#define	UINT_MAX	0xffffffff	/* max value for an unsigned int */#define	INT_MAX		2147483647	/* max value for an int */#define	INT_MIN		(-2147483647-1)	/* min value for an int */#define	ULONG_MAX	0xffffffff	/* max value for an unsigned long */#define	LONG_MAX	2147483647	/* max value for a long */#define	LONG_MIN	(-2147483647-1)	/* min value for a long */#define	SSIZE_MAX	INT_MAX		/* max value for a ssize_t */#endif /* _OSKIT_ARM32_C_LIMITS_H_ */

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?