+/*-
+ * Copyright (c) 1991 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.
+ *
+ * @(#)unistd.h 5.13 (Berkeley) 6/17/91
+ */
+
+#ifndef _UNISTD_H_
+#define _UNISTD_H_
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <sys/unistd.h>
+
+#define STDIN_FILENO 0 /* standard input file descriptor */
+#define STDOUT_FILENO 1 /* standard output file descriptor */
+#define STDERR_FILENO 2 /* standard error file descriptor */
+
+/* fnmatch(3) defines */
+#define FNM_PATHNAME 0x01 /* match pathnames, not filenames */
+#ifndef _POSIX_SOURCE
+#define FNM_QUOTE 0x02 /* escape special chars with \ */
+#endif
+
+#ifndef NULL
+#define NULL 0 /* null pointer constant */
+#endif
+
+typedef int ssize_t; /* count of bytes or error indication */
+
+__BEGIN_DECLS
+void _exit __P((int));
+int access __P((const char *, int));
+u_int alarm __P((u_int));
+int chdir __P((const char *));
+int chown __P((const char *, uid_t, gid_t));
+int close __P((int));
+char *cuserid __P((char *));
+int dup __P((int));
+int dup2 __P((int, int));
+int execl __P((const char *, const char *, ...));
+int execle __P((const char *, const char *, ...));
+int execlp __P((const char *, const char *, ...));
+int execv __P((const char *, char * const *));
+int execve __P((const char *, char * const *, char * const *));
+int execvp __P((const char *, char * const *));
+pid_t fork __P((void));
+long fpathconf __P((int, int)); /* not yet */
+char *getcwd __P((char *, size_t));
+gid_t getegid __P((void));
+uid_t geteuid __P((void));
+gid_t getgid __P((void));
+int getgroups __P((int, int *)); /* XXX (gid_t *) */
+char *getlogin __P((void));
+pid_t getpgrp __P((void));
+pid_t getpid __P((void));
+pid_t getppid __P((void));
+uid_t getuid __P((void));
+int isatty __P((int));
+int link __P((const char *, const char *));
+off_t lseek __P((int, off_t, int));
+long pathconf __P((const char *, int)); /* not yet */
+int pause __P((void));
+int pipe __P((int *));
+ssize_t read __P((int, void *, size_t));
+int rmdir __P((const char *));
+int setgid __P((gid_t));
+int setpgid __P((pid_t, pid_t));
+pid_t setsid __P((void));
+int setuid __P((uid_t));
+u_int sleep __P((u_int));
+long sysconf __P((int)); /* not yet */
+pid_t tcgetpgrp __P((int));
+int tcsetpgrp __P((int, pid_t));
+char *ttyname __P((int));
+int unlink __P((const char *));
+ssize_t write __P((int, const void *, size_t));
+
+#ifndef _POSIX_SOURCE
+
+/* structure timeval required for select() */
+#include <sys/time.h>
+
+int acct __P((const char *));
+int async_daemon __P((void));
+char *brk __P((const char *));
+int chflags __P((const char *, long));
+int chroot __P((const char *));
+char *crypt __P((const char *, const char *));
+int des_cipher __P((const char *, char *, long, int));
+int des_setkey __P((const char *key));
+int encrypt __P((char *, int));
+void endusershell __P((void));
+int exect __P((const char *, char * const *, char * const *));
+int fchdir __P((int));
+int fchflags __P((int, long));
+int fchown __P((int, int, int));
+int fnmatch __P((const char *, const char *, int));
+int fsync __P((int));
+int ftruncate __P((int, off_t));
+int getdtablesize __P((void));
+long gethostid __P((void));
+int gethostname __P((char *, int));
+mode_t getmode __P((const void *, mode_t));
+int getpagesize __P((void));
+char *getpass __P((const char *));
+char *getusershell __P((void));
+char *getwd __P((char *)); /* obsoleted by getcwd() */
+int initgroups __P((const char *, int));
+int mknod __P((const char *, mode_t, dev_t));
+int mkstemp __P((char *));
+char *mktemp __P((char *));
+int nfssvc __P((int));
+int nice __P((int));
+void psignal __P((u_int, const char *));
+extern char *sys_siglist[];
+int profil __P((char *, int, int, int));
+int rcmd __P((char **, int, const char *,
+ const char *, const char *, int *));
+char *re_comp __P((const char *));
+int re_exec __P((const char *));
+int readlink __P((const char *, char *, int));
+int reboot __P((int));
+int revoke __P((const char *));
+int rresvport __P((int *));
+int ruserok __P((const char *, int, const char *, const char *));
+char *sbrk __P((int));
+int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
+int setegid __P((gid_t));
+int seteuid __P((uid_t));
+int setgroups __P((int, const int *));
+void sethostid __P((long));
+int sethostname __P((const char *, int));
+int setkey __P((const char *));
+int setlogin __P((const char *));
+void *setmode __P((const char *));
+int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
+int setregid __P((int, int));
+int setreuid __P((int, int));
+int setrgid __P((gid_t));
+int setruid __P((uid_t));
+void setusershell __P((void));
+int swapon __P((const char *));
+int symlink __P((const char *, const char *));
+void sync __P((void));
+int syscall __P((int, ...));
+int truncate __P((const char *, off_t));
+int ttyslot __P((void));
+u_int ualarm __P((u_int, u_int));
+void usleep __P((u_int));
+void *valloc __P((size_t)); /* obsoleted by malloc() */
+int vfork __P((void));
+
+#endif /* !_POSIX_SOURCE */
+__END_DECLS
+
+#endif /* !_UNISTD_H_ */
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