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LIBGVC(3)		   Library Functions Manual		     LIBGVC(3)

NAME
       libgvc -	Graphviz context library

SYNOPSIS
       #include	<graphviz/gvc.h>

       /* set up a graphviz context */
       extern GVC_t *gvNEWcontext(char **info, char *user);
       extern char *gvUsername(void);

       /*  set up a graphviz context - alternative */
       /*     (wraps the above two functions using info	built into libgvc) */
       extern GVC_t *gvContext(void);

       /* 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);

       /* Compute a layout using a specified engine */
       extern int gvLayout(GVC_t *gvc, graph_t *g, 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 */
       extern char *agstrdup_html(char *s);
       extern int aghtmlstr(char *s);

       /* Render layout	in a specified format to an open FILE */
       extern int gvRender(GVC_t *gvc, graph_t *g, char	*format, FILE *out);

       /* Render layout	in a specified format to an open FILE */
       extern int gvRenderFilename(GVC_t *gvc, graph_t *g, char	*format, char *filename);

       /* 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 int gvFreeContext(GVC_t *gvc);

       /* Inquire about	available plugins */
       /* See comment in gvc.h		  */
       extern char** gvPluginList(GVC_t	*gvc, char* kind, int* cnt, char*);

DESCRIPTION
       libgvc  provides	 a  context for	applications wishing to	manipulate and
       render graphs.  It provides a command line  parsing,  common  rendering
       code, and a plugin mechanism for	renderers.

SEE ALSO
       dot(1), neato(1), libcdt(3) libgraph(3)

AUTHOR
       John Ellson (ellson@research.att.com), AT&T

								     LIBGVC(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR

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