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/*-

 * Copyright (c) 1992, 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.

 *

 *      @(#)libkern.h   8.1 (Berkeley) 6/10/93

 * $Id: libkern.h,v 1.2 2001-09-27 12:02:00 chris Exp $

 */

#ifndef _SYS_LIBKERN_H_

#define _SYS_LIBKERN_H_

#include <sys/cdefs.h>

#include <sys/types.h>

/* BCD conversions. */

extern u_char const     bcd2bin_data[];

extern u_char const     bin2bcd_data[];

extern char const       hex2ascii_data[];

#define bcd2bin(bcd)    (bcd2bin_data[bcd])

#define bin2bcd(bin)    (bin2bcd_data[bin])

#define hex2ascii(hex)  (hex2ascii_data[hex])

static __inline int imax(int a, int b) { return (a > b ? a : b); }

static __inline int imin(int a, int b) { return (a < b ? a : b); }

static __inline long lmax(long a, long b) { return (a > b ? a : b); }

static __inline long lmin(long a, long b) { return (a < b ? a : b); }

static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }

static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }

static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }

static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }

static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }

static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }

/* Prototypes for non-quad routines. */

int      bcmp __P((const void *, const void *, size_t));

#ifndef HAVE_INLINE_FFS

int      ffs __P((int));

#endif

#ifndef HAVE_INLINE_FLS

int      fls __P((int));

#endif

int      locc __P((int, char *, u_int));

void     qsort __P((void *base, size_t nmemb, size_t size,

                    int (*compar)(const void *, const void *)));

u_long   random __P((void));

char    *index __P((const char *, int));

char    *rindex __P((const char *, int));

int      scanc __P((u_int, const u_char *, const u_char *, int));

int      skpc __P((int, int, char *));

void     srandom __P((u_long));

char    *strcat __P((char *, const char *));

int      strcmp __P((const char *, const char *));

char    *strdup __P((const char *s));

char    *strcpy __P((char *, const char *));

size_t   strlen __P((const char *));

int      strncmp __P((const char *, const char *, size_t));

char    *strncpy __P((char *, const char *, size_t));

char    *strerror __P((int errnum));

#endif /* !_SYS_LIBKERN_H_ */