graph_instance_t *inst_find_matching (graph_instance_t *inst,
const graph_ident_t *ident);
int inst_describe (graph_config_t *cfg, graph_instance_t *inst,
char *buffer, size_t buffer_size);
graph_instance_t *inst_find_matching (graph_instance_t *inst,
const graph_ident_t *ident);
int inst_describe (graph_config_t *cfg, graph_instance_t *inst,
char *buffer, size_t buffer_size);