helpers.h

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00001 /* LIBDGL -- a Directed Graph Library implementation
00002  * Copyright (C) 2002 Roberto Micarelli
00003  *
00004  * This program is free software; you can redistribute it and/or modify
00005  * it under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  * GNU General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  */
00018 
00019 /*
00020  * best view tabstop=4
00021  */
00022 
00023 #ifndef _DGL_HELPERS_H_
00024 #define _DGL_HELPERS_H_
00025 
00026 #include "tree.h"
00027 
00028 extern unsigned char * dgl_mempush( unsigned char * pstack , long * istack , long size , void * pv );
00029 extern unsigned char * dgl_mempop( unsigned char * pstack , long * istack , long size );
00030 extern void            dgl_swapInt32Bytes( dglInt32_t * pn );
00031 extern void            dgl_swapInt64Bytes( dglInt64_t * pn );
00032 extern int             dgl_edge_prioritizer_del(dglGraph_s * pG, dglInt32_t nId, dglInt32_t nPriId);
00033 extern int             dgl_edge_prioritizer_add(dglGraph_s * pG, dglInt32_t nId, dglInt32_t nPriId);
00034 extern void *          dgl_reduce_edgeset(void * pvSet, int * pc, dglInt32_t nKey);
00035 
00036 __END_DECLS
00037 #endif

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