internal/ccall/cgraph/edge.c
static Agedge_t *agfindedge_by_name(Agraph_t * g, Agnode_t * t,
				    Agnode_t * h, char *name)
{
    uint64_t id;

    if (agmapnametoid(agraphof(t), AGEDGE, name, &id, FALSE))
	return agfindedge_by_id(g, t, h, id);
    else
	return NILedge;
}
/* could be useful if we write relabel_edge */
could be useful if we write relabel_edge
could be useful if we write relabel_edge
static Agedge_t *agfindedge_by_name(Agraph_t * g, Agnode_t * t,
				    Agnode_t * h, char *name)
{
    uint64_t id;
    if (agmapnametoid(agraphof(t), AGEDGE, name, &id, FALSE))
	return agfindedge_by_id(g, t, h, id);
    else
	return NILedge;
}
static Agedge_t * agfindedge_by_name ( Agraph_t * g , Agnode_t * t , Agnode_t * h , char * name ) { uint64_t id ; if ( agmapnametoid ( agraphof ( t ) , AGEDGE , name , & id , FALSE ) ) return agfindedge_by_id ( g , t , h , id ) ; else return NILedge ; }
could be useful if we write relabel_edge
could be useful if we write relabel_edge