1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1988 AT&T	*/
23/*	  All Rights Reserved  	*/
24
25
26#ifndef _MALLOC_H
27#define	_MALLOC_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.7	*/
30
31#include <sys/types.h>
32
33#ifdef	__cplusplus
34extern "C" {
35#endif
36
37/*
38 *	Constants defining mallopt operations
39 */
40#define	M_MXFAST	1	/* set size of blocks to be fast */
41#define	M_NLBLKS	2	/* set number of block in a holding block */
42#define	M_GRAIN		3	/* set number of sizes mapped to one, for */
43				/* small blocks */
44#define	M_KEEP		4	/* retain contents of block after a free */
45				/* until another allocation */
46/*
47 *	structure filled by
48 */
49struct mallinfo  {
50	unsigned long arena;	/* total space in arena */
51	unsigned long ordblks;	/* number of ordinary blocks */
52	unsigned long smblks;	/* number of small blocks */
53	unsigned long hblks;	/* number of holding blocks */
54	unsigned long hblkhd;	/* space in holding block headers */
55	unsigned long usmblks;	/* space in small blocks in use */
56	unsigned long fsmblks;	/* space in free small blocks */
57	unsigned long uordblks;	/* space in ordinary blocks in use */
58	unsigned long fordblks;	/* space in free ordinary blocks */
59	unsigned long keepcost;	/* cost of enabling keep option */
60};
61
62#if defined(__STDC__)
63
64void *malloc(size_t);
65void free(void *);
66void *realloc(void *, size_t);
67int mallopt(int, int);
68struct mallinfo mallinfo(void);
69void *calloc(size_t, size_t);
70
71#else
72
73void *malloc();
74void free();
75void *realloc();
76int mallopt();
77struct mallinfo mallinfo();
78void *calloc();
79
80#endif	/* __STDC__ */
81
82#ifdef	__cplusplus
83}
84#endif
85
86#endif	/* _MALLOC_H */
87