Query: Routers that are sources of a given a-flow-linePurpose: Returns the routers that are sources of a-flow-lines in the input liststm_r_router_source_of_af (stm_list
in_list, int *status);
Query: Routers that are targets of a given a-flow-linePurpose: Returns the routers that are sources of a-flow-lines in the input liststm_r_router_target_of_af (stm_list
in_list, int *status);