?? compat.h
字號:
/*- * Copyright (c) 1991, 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. * * @(#)compat.h 8.13 (Berkeley) 2/21/94 */#ifndef _COMPAT_H_#define _COMPAT_H_#include <sys/types.h>/* * If your system doesn't typedef u_long, u_short, or u_char, change * the 0 to a 1. */#if 0typedef unsigned char u_char; /* 4.[34]BSD names. */typedef unsigned int u_int;typedef unsigned long u_long;typedef unsigned short u_short;#endif/* If your system doesn't typedef size_t, change the 0 to a 1. */#if 0typedef unsigned int size_t; /* POSIX, 4.[34]BSD names. */#endif/* If your system doesn't typedef ssize_t, change the 0 to a 1. */#if 0typedef int ssize_t; /* POSIX names. */#endif/* * If your system doesn't have the POSIX type for a signal mask, * change the 0 to a 1. */#if 0 /* POSIX 1003.1 signal mask type. */typedef unsigned int sigset_t;#endif/* * If your system's vsprintf returns a char *, not an int, * change the 0 to a 1. */#if 0#define VSPRINTF_CHARSTAR#endif/* * If you don't have POSIX 1003.1 signals, the signal code surrounding the * temporary file creation is intended to block all of the possible signals * long enough to create the file and unlink it. All of this stuff is * intended to use old-style BSD calls to fake POSIX 1003.1 calls. */#ifdef NO_POSIX_SIGNALS#define sigemptyset(set) (*(set) = 0)#define sigfillset(set) (*(set) = ~(sigset_t)0, 0)#define sigaddset(set,signo) (*(set) |= sigmask(signo), 0)#define sigdelset(set,signo) (*(set) &= ~sigmask(signo), 0)#define sigismember(set,signo) ((*(set) & sigmask(signo)) != 0)#define SIG_BLOCK 1#define SIG_UNBLOCK 2#define SIG_SETMASK 3static int __sigtemp; /* For the use of sigprocmask *//* Repeated test of oset != NULL is to avoid "*0". */#define sigprocmask(how, set, oset) \ ((__sigtemp = \ (((how) == SIG_BLOCK) ? \ sigblock(0) | *(set) : \ (((how) == SIG_UNBLOCK) ? \ sigblock(0) & ~(*(set)) : \ ((how) == SIG_SETMASK ? \ *(set) : sigblock(0))))), \ ((oset) ? (*(oset ? oset : set) = sigsetmask(__sigtemp)) : \ sigsetmask(__sigtemp)), 0)#endif/* * If your system doesn't have an include file with the appropriate * byte order set, make sure you specify the correct one. */#ifndef BYTE_ORDER#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */#define BYTE_ORDER LITTLE_ENDIAN /* Set for your system. */#endif#if defined(SYSV) || defined(SYSTEM5)#define index(a, b) strchr(a, b)#define rindex(a, b) strrchr(a, b)#define bzero(a, b) memset(a, 0, b)#define bcmp(a, b, n) memcmp(a, b, n)#define bcopy(a, b, n) memmove(b, a, n)#endif#if defined(BSD) || defined(BSD4_3)#define strchr(a, b) index(a, b)#define strrchr(a, b) rindex(a, b)#define memcmp(a, b, n) bcmp(a, b, n)#define memmove(a, b, n) bcopy(b, a, n)#endif/* * 32-bit machine. The db routines are theoretically independent of * the size of u_shorts and u_longs, but I don't know that anyone has * ever actually tried it. At a minimum, change the following #define's * if you are trying to compile on a different type of system. */#ifndef USHRT_MAX#define USHRT_MAX 0xFFFF#define ULONG_MAX 0xFFFFFFFF#endif#ifndef O_ACCMODE /* POSIX 1003.1 access mode mask. */#define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)#endif#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 RE limit. */#define _POSIX2_RE_DUP_MAX 255#endif/* * If you can't provide lock values in the open(2) call. Note, this * allows races to happen. */#ifndef O_EXLOCK /* 4.4BSD extension. */#define O_EXLOCK 0#endif#ifndef O_SHLOCK /* 4.4BSD extension. */#define O_SHLOCK 0#endif#ifndef EFTYPE#define EFTYPE EINVAL /* POSIX 1003.1 format errno. */#endif#ifndef WCOREDUMP /* 4.4BSD extension */#define WCOREDUMP(a) 0#endif#ifndef STDERR_FILENO#define STDIN_FILENO 0 /* ANSI C #defines */#define STDOUT_FILENO 1#define STDERR_FILENO 2#endif#ifndef SEEK_END#define SEEK_SET 0 /* POSIX 1003.1 seek values */#define SEEK_CUR 1#define SEEK_END 2#endif#ifndef _POSIX_VDISABLE /* POSIX 1003.1 disabling char. */#define _POSIX_VDISABLE 0 /* Some systems used 0. */#endif#ifndef TCSASOFT /* 4.4BSD extension. */#define TCSASOFT 0#endif#ifndef _POSIX2_RE_DUP_MAX /* POSIX 1003.2 values. */#define _POSIX2_RE_DUP_MAX 255#endif#ifndef NULL /* ANSI C #defines NULL everywhere. */#define NULL 0#endif#ifndef MAX /* Usually found in <sys/param.h>. */#define MAX(_a,_b) ((_a)<(_b)?(_b):(_a))#endif#ifndef MIN /* Usually found in <sys/param.h>. */#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))#endif/* Default file permissions. */#ifndef DEFFILEMODE /* 4.4BSD extension. */#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)#endif#ifndef S_ISDIR /* POSIX 1003.1 file type tests. */#define S_ISDIR(m) ((m & 0170000) == 0040000) /* directory */#define S_ISCHR(m) ((m & 0170000) == 0020000) /* char special */#define S_ISBLK(m) ((m & 0170000) == 0060000) /* block special */#define S_ISREG(m) ((m & 0170000) == 0100000) /* regular file */#define S_ISFIFO(m) ((m & 0170000) == 0010000) /* fifo */#endif#ifndef S_ISLNK /* BSD POSIX 1003.1 extensions */#define S_ISLNK(m) ((m & 0170000) == 0120000) /* symbolic link */#define S_ISSOCK(m) ((m & 0170000) == 0140000) /* socket */#endif/* The type of a va_list. */#ifndef _BSD_VA_LIST_ /* 4.4BSD #define. */#define _BSD_VA_LIST_ char *#endif#endif /* !_COMPAT_H_ */
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -