sys.h

早期freebsd实现

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * 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.
 *
 *	@(#)sys.h	8.1 (Berkeley) 6/4/93
 */

/*
 * sys.h: Put all the stupid compiler and system dependencies here...
 */
#ifndef _h_sys
#define _h_sys

#ifndef public
# define public		/* Externally visible functions/variables */
#endif

#ifndef private
# define private	static	/* Always hidden internals */
#endif

#ifndef protected
# define protected	/* Redefined from elsewhere to "static" */
			/* When we want to hide everything	*/
#endif

#include <sys/cdefs.h>

#ifndef _PTR_T
# define _PTR_T
# if __STDC__
typedef void* ptr_t;
# else
typedef char* ptr_t;
# endif
#endif

#ifndef _IOCTL_T
# define _IOCTL_T
# if __STDC__
typedef void* ioctl_t;
# else
typedef char* ioctl_t;
# endif
#endif

#include <stdio.h>
#define REGEXP

#ifdef SUNOS
# undef REGEXP
# include <malloc.h>
typedef void (*sig_t)__P((int));
# ifdef __GNUC__
/*
 * Broken hdrs.
 */
extern char    *getenv		__P((const char *));
extern int	fprintf		__P((FILE *, const char *, ...));
extern int	sigsetmask	__P((int));
extern int	sigblock	__P((int));
extern int	ioctl		__P((int, int, void *));
extern int	fputc		__P((int, FILE *));
extern int	fgetc		__P((FILE *));
extern int	fflush		__P((FILE *));
extern int	tolower		__P((int));
extern int	toupper		__P((int));
extern int	errno, sys_nerr;
extern char	*sys_errlist[];
extern void	perror		__P((const char *));
extern int	read		__P((int, const char*, int));
#  include <string.h>
#  define strerror(e)	sys_errlist[e]
# endif
# ifdef SABER
extern ptr_t    memcpy		__P((ptr_t, const ptr_t, size_t));
extern ptr_t    memset		__P((ptr_t, int, size_t));
# endif
extern char    *fgetline	__P((FILE *, int *));
#endif

#endif /* _h_sys */