/usr/include/graphviz/gvc.h is in libgraphviz-dev 2.26.3-14+deb7u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /* $Id: gvc.h,v 1.66 2009/10/04 20:15:42 ellson Exp $ $Revision: 1.66 $ */
/* 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 *
**********************************************************/
#ifndef GVC_H
#define GVC_H
#include "types.h"
#include "gvplugin.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifdef GVDLL
#define extern __declspec(dllexport)
#else
#define extern
#endif
/*visual studio*/
#ifdef WIN32_DLL
#ifndef GVC_EXPORTS
#define extern __declspec(dllimport)
#endif
#endif
/*end visual studio*/
/* misc */
/* FIXME - this needs eliminating or renaming */
extern void gvToggle(int);
/* set up a graphviz context */
extern GVC_t *gvNEWcontext(const lt_symlist_t *builtins, int demand_loading);
/* set up a graphviz context - and init graph - retaining old API */
extern GVC_t *gvContext(void);
/* set up a graphviz context - and init graph - with builtins */
extern GVC_t *gvContextPlugins(const lt_symlist_t *builtins, int demand_loading);
/* get information associated with a graphviz context */
extern char **gvcInfo(GVC_t*);
extern char *gvcVersion(GVC_t*);
extern char *gvcBuildDate(GVC_t*);
/* parse command line args - minimally argv[0] sets layout engine */
extern int gvParseArgs(GVC_t *gvc, int argc, char **argv);
extern graph_t *gvNextInputGraph(GVC_t *gvc);
extern graph_t *gvPluginsGraph(GVC_t *gvc);
/* Compute a layout using a specified engine */
extern int gvLayout(GVC_t *gvc, graph_t *g, const char *engine);
/* Compute a layout using layout engine from command line args */
extern int gvLayoutJobs(GVC_t *gvc, graph_t *g);
/* Render layout into string attributes of the graph */
extern void attach_attrs(graph_t *g);
/* Parse an html string */
#ifndef WITH_CGRAPH
extern char *agstrdup_html(char *s);
#endif
extern int aghtmlstr(char *s);
/* Render layout in a specified format to an open FILE */
extern int gvRender(GVC_t *gvc, graph_t *g, const char *format, FILE *out);
/* Render layout in a specified format to an open FILE */
extern int gvRenderFilename(GVC_t *gvc, graph_t *g, const char *format, const char *filename);
/* Render layout in a specified format to an external context */
extern int gvRenderContext(GVC_t *gvc, graph_t *g, const char *format, void *context);
/* Render layout in a specified format to a malloc'ed string */
extern int gvRenderData(GVC_t *gvc, graph_t *g, const char *format, char **result, unsigned int *length);
/* Render layout according to -T and -o options found by gvParseArgs */
extern int gvRenderJobs(GVC_t *gvc, graph_t *g);
/* Clean up layout data structures - layouts are not nestable (yet) */
extern int gvFreeLayout(GVC_t *gvc, graph_t *g);
/* Clean up graphviz context */
extern void gvFinalize(GVC_t *gvc);
extern int gvFreeContext(GVC_t *gvc);
/** Add a library from your user application
* @param gvc Graphviz context to add library to
* @param lib library to add
*/
extern void gvAddLibrary(GVC_t *gvc, gvplugin_library_t *lib);
#undef extern
#ifdef __cplusplus
}
#endif
#endif /* GVC_H */
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