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/* $Id: utils.h,v 1.11 2006/02/02 19:23:26 erg Exp $ $Revision: 1.11 $ */
/* vim:set shiftwidth=4 ts=8: */
/**********************************************************
* This software is part of the graphviz package *
* http://www.graphviz.org/ *
* *
* Copyright (c) 1994-2004 AT&T Corp. *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Corp. *
* *
* Information and Software Systems Research *
* AT&T Research, Florham Park NJ *
**********************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HAVE_STRCASECMP
extern int strcasecmp(const char *s1, const char *s2);
#endif
#ifndef HAVE_STRNCASECMP
extern int strncasecmp(const char *s1, const char *s2, size_t n);
#endif
extern nodequeue *new_queue(int);
extern void free_queue(nodequeue *);
extern void enqueue(nodequeue *, Agnode_t *);
extern Agnode_t *dequeue(nodequeue *);
extern int late_attr(void *, char *);
extern int late_int(void *, Agsym_t *, int, int);
extern double late_double(void *, Agsym_t *, double, double);
extern char *late_nnstring(void *, Agsym_t *, char *);
extern char *late_string(void *, Agsym_t *, char *);
extern int late_bool(void *, Agsym_t *, int);
extern Agnode_t *UF_find(Agnode_t *);
extern Agnode_t *UF_union(Agnode_t *, Agnode_t *);
extern void UF_remove(Agnode_t *, Agnode_t *);
extern void UF_singleton(Agnode_t *);
extern void UF_setname(Agnode_t *, Agnode_t *);
extern char *safefile(char *shapefilename);
extern void cat_libfile(FILE *, char **, char **);
extern int mapbool(char *);
extern int maptoken(char *, char **, int *);
extern int test_toggle(void);
extern void common_init_node(node_t * n);
extern int common_init_edge(edge_t * e);
extern void updateBB(graph_t * g, textlabel_t * lp);
extern void update_bb(graph_t * g, point p);
extern void compute_bb(Agraph_t *);
extern bool overlap_node(node_t *n, boxf b);
extern bool overlap_label(textlabel_t *lp, boxf b);
extern bool overlap_edge(edge_t *e, boxf b);
extern int processClusterEdges(graph_t * g);
extern void undoClusterEdges(graph_t * g);
extern attrsym_t* safe_dcl(graph_t*, void*, char*, char*,
attrsym_t * (*fun) (Agraph_t *, char *, char *));
extern char *latin1ToUTF8(char *);
extern char* utf8ToLatin1 (char* ins);
extern pointf Bezier(pointf *, int, double, pointf *, pointf *);
extern point dotneato_closest(splines * spl, point p);
extern point neato_closest(splines * spl, point p);
extern point spline_at_y(splines * spl, int y);
#ifdef __cplusplus
}
#endif
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