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libkern.h revision 1.2 
      1 /*-
      2  * Copyright (c) 1992, 1993
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	@(#)libkern.h	8.1 (Berkeley) 6/10/93
     34  */
     35 
     36 #include <sys/types.h>
     37 
     38 static __inline int
     39 imax(a, b)
     40 	int a, b;
     41 {
     42 	return (a > b ? a : b);
     43 }
     44 static __inline int
     45 imin(a, b)
     46 	int a, b;
     47 {
     48 	return (a < b ? a : b);
     49 }
     50 static __inline long
     51 lmax(a, b)
     52 	long a, b;
     53 {
     54 	return (a > b ? a : b);
     55 }
     56 static __inline long
     57 lmin(a, b)
     58 	long a, b;
     59 {
     60 	return (a < b ? a : b);
     61 }
     62 static __inline u_int
     63 max(a, b)
     64 	u_int a, b;
     65 {
     66 	return (a > b ? a : b);
     67 }
     68 static __inline u_int
     69 min(a, b)
     70 	u_int a, b;
     71 {
     72 	return (a < b ? a : b);
     73 }
     74 static __inline u_long
     75 ulmax(a, b)
     76 	u_long a, b;
     77 {
     78 	return (a > b ? a : b);
     79 }
     80 static __inline u_long
     81 ulmin(a, b)
     82 	u_long a, b;
     83 {
     84 	return (a < b ? a : b);
     85 }
     86 
     87 /* Prototypes for non-quad routines. */
     88 int	 bcmp __P((const void *, const void *, size_t));
     89 int	 ffs __P((int));
     90 int	 locc __P((int, char *, u_int));
     91 u_long	 random __P((void));
     92 char	*rindex __P((const char *, int));
     93 int	 scanc __P((u_int, u_char *, u_char *, int));
     94 int	 skpc __P((int, int, char *));
     95 char	*strcat __P((char *, const char *));
     96 char	*strcpy __P((char *, const char *));
     97 size_t	 strlen __P((const char *));
     98 char	*strncpy __P((char *, const char *, size_t));
     99