/misc/src/release/graphviz-2.18-1/src/graphviz-2.18/lib/neatogen/mem.h

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00001 /* $Id: mem.h,v 1.1.1.1 2004/12/23 04:05:14 ellson Exp $ $Revision: 1.1.1.1 $ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /**********************************************************
00005 *      This software is part of the graphviz package      *
00006 *                http://www.graphviz.org/                 *
00007 *                                                         *
00008 *            Copyright (c) 1994-2004 AT&T Corp.           *
00009 *                and is licensed under the                *
00010 *            Common Public License, Version 1.0           *
00011 *                      by AT&T Corp.                      *
00012 *                                                         *
00013 *        Information and Software Systems Research        *
00014 *              AT&T Research, Florham Park NJ             *
00015 **********************************************************/
00016 
00017 #ifdef __cplusplus
00018 extern "C" {
00019 #endif
00020 
00021 
00022 
00023 #ifndef MEMORY_H
00024 #define MEMORY_H
00025 
00026 #ifndef NULL
00027 #define NULL 0
00028 #endif
00029 
00030     /* Support for freelists */
00031 
00032     typedef struct freelist {
00033         struct freenode *head;  /* List of free nodes */
00034         struct freeblock *blocklist;    /* List of malloced blocks */
00035         int nodesize;           /* Size of node */
00036     } Freelist;
00037 
00038     extern void *getfree(Freelist *);
00039     extern void freeinit(Freelist *, int);
00040     extern void makefree(void *, Freelist *);
00041 
00042 #endif
00043 
00044 
00045 #ifdef __cplusplus
00046 }
00047 #endif

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