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libkern.h revision 1.6 
      1 /*	$NetBSD: libkern.h,v 1.6 1996/02/13 23:48:26 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)libkern.h	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #include <sys/types.h>
     39 
     40 static __inline int imax __P((int, int));
     41 static __inline int imin __P((int, int));
     42 static __inline u_int max __P((u_int, u_int));
     43 static __inline u_int min __P((u_int, u_int));
     44 static __inline long lmax __P((long, long));
     45 static __inline long lmin __P((long, long));
     46 static __inline u_long ulmax __P((u_long, u_long));
     47 static __inline u_long ulmin __P((u_long, u_long));
     48 static __inline int abs __P((int));
     49 
     50 static __inline int
     51 imax(a, b)
     52 	int a, b;
     53 {
     54 	return (a > b ? a : b);
     55 }
     56 static __inline int
     57 imin(a, b)
     58 	int a, b;
     59 {
     60 	return (a < b ? a : b);
     61 }
     62 static __inline long
     63 lmax(a, b)
     64 	long a, b;
     65 {
     66 	return (a > b ? a : b);
     67 }
     68 static __inline long
     69 lmin(a, b)
     70 	long a, b;
     71 {
     72 	return (a < b ? a : b);
     73 }
     74 static __inline u_int
     75 max(a, b)
     76 	u_int a, b;
     77 {
     78 	return (a > b ? a : b);
     79 }
     80 static __inline u_int
     81 min(a, b)
     82 	u_int a, b;
     83 {
     84 	return (a < b ? a : b);
     85 }
     86 static __inline u_long
     87 ulmax(a, b)
     88 	u_long a, b;
     89 {
     90 	return (a > b ? a : b);
     91 }
     92 static __inline u_long
     93 ulmin(a, b)
     94 	u_long a, b;
     95 {
     96 	return (a < b ? a : b);
     97 }
     98 
     99 static __inline int
    100 abs(j)
    101 	int j;
    102 {
    103 	return(j < 0 ? -j : j);
    104 }
    105 
    106 /* Prototypes for non-quad routines. */
    107 int	 bcmp __P((const void *, const void *, size_t));
    108 int	 ffs __P((int));
    109 int	 locc __P((int, char *, u_int));
    110 u_long	 random __P((void));
    111 char	*rindex __P((const char *, int));
    112 int	 scanc __P((u_int, u_char *, u_char *, int));
    113 int	 skpc __P((int, int, char *));
    114 size_t	 strlen __P((const char *));
    115 char	*strcat __P((char *, const char *));
    116 char	*strcpy __P((char *, const char *));
    117 char	*strncpy __P((char *, const char *, size_t));
    118 int	 strcmp __P((const char *, const char *));
    119 int	 strncmp __P((const char *, const char *, size_t));
    120 int	 strncasecmp __P((const char *, const char *, size_t));
    121