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+/* $OpenBSD: util.h,v 1.36 2019/08/30 03:57:56 deraadt Exp $ */
+/* $NetBSD: util.h,v 1.2 1996/05/16 07:00:22 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1995
+ * The Regents of the University of California. All rights reserved.
+ * Portions Copyright (c) 1996, Jason Downs. 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. 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.
+ */
+
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include <sys/types.h>
+
+/*
+ * fparseln() specific operation flags.
+ */
+#define FPARSELN_UNESCESC 0x01
+#define FPARSELN_UNESCCONT 0x02
+#define FPARSELN_UNESCCOMM 0x04
+#define FPARSELN_UNESCREST 0x08
+#define FPARSELN_UNESCALL 0x0f
+
+/*
+ * opendev() specific operation flags.
+ */
+#define OPENDEV_PART 0x01 /* Try to open the raw partition. */
+#define OPENDEV_BLCK 0x04 /* Open block, not character device. */
+
+/*
+ * uu_lock(3) specific flags.
+ */
+#define UU_LOCK_INUSE (1)
+#define UU_LOCK_OK (0)
+#define UU_LOCK_OPEN_ERR (-1)
+#define UU_LOCK_READ_ERR (-2)
+#define UU_LOCK_CREAT_ERR (-3)
+#define UU_LOCK_WRITE_ERR (-4)
+#define UU_LOCK_LINK_ERR (-5)
+#define UU_LOCK_TRY_ERR (-6)
+#define UU_LOCK_OWNER_ERR (-7)
+
+/*
+ * fmt_scaled(3) specific flags.
+ */
+#define FMT_SCALED_STRSIZE 7 /* minus sign, 4 digits, suffix, null byte */
+
+/*
+ * stub struct definitions.
+ */
+struct __sFILE;
+struct login_cap;
+struct passwd;
+struct termios;
+struct utmp;
+struct winsize;
+
+__BEGIN_DECLS
+char *fparseln(struct __sFILE *, size_t *, size_t *, const char[3], int);
+void login(struct utmp *);
+int login_tty(int);
+int logout(const char *);
+void logwtmp(const char *, const char *, const char *);
+int opendev(const char *, int, int, char **);
+int pidfile(const char *);
+void pw_setdir(const char *);
+char *pw_file(const char *);
+int pw_lock(int);
+int pw_mkdb(char *, int);
+int pw_abort(void);
+void pw_init(void);
+void pw_edit(int, const char *);
+void pw_prompt(void);
+void pw_copy(int, int, const struct passwd *, const struct passwd *);
+int pw_scan(char *, struct passwd *, int *);
+void pw_error(const char *, int, int);
+int getptmfd(void);
+int openpty(int *, int *, char *, struct termios *, struct winsize *);
+int fdopenpty(int, int *, int *, char *, struct termios *,
+ struct winsize *);
+int opendisk(const char *, int, char *, size_t, int);
+pid_t forkpty(int *, char *, struct termios *, struct winsize *);
+pid_t fdforkpty(int, int *, char *, struct termios *, struct winsize *);
+int getmaxpartitions(void);
+int getrawpartition(void);
+void login_fbtab(const char *, uid_t, gid_t);
+int login_check_expire(struct __sFILE *, struct passwd *, char *, int);
+char *readlabelfs(char *, int);
+const char *uu_lockerr(int);
+int uu_lock(const char *);
+int uu_lock_txfr(const char *, pid_t);
+int uu_unlock(const char *);
+int fmt_scaled(long long, char *);
+int scan_scaled(char *, long long *);
+int isduid(const char *, int);
+int pkcs5_pbkdf2(const char *, size_t, const uint8_t *, size_t,
+ uint8_t *, size_t, unsigned int);
+int bcrypt_pbkdf(const char *, size_t, const uint8_t *, size_t,
+ uint8_t *, size_t, unsigned int);
+
+__END_DECLS
+
+#endif /* !_UTIL_H_ */