Query: A-flow-lines whose source is a given elementPurpose: Returns basic a-flow-lines that originate at elements in the input liststm_r_af_from_source_mx (stm_list in_list,
int *status);
Query: A-flow-lines whose target is a given elementPurpose: Returns the basic a-flow-lines whose target is an element from the input liststm_r_bf_to_target_mx (stm_list in_list,
int *status);
Query: A-flow-lines through which a given element flowsPurpose: Returns the a-flow-lines through which elements from the input list actually flowstm_r_af_within_flows_mx (stm_list
in_list, int *status);
Query: A-flow-lines labeled by a given elementsPurpose: Returns the a-flow-lines labeled with elements in the input liststm_r_af_within_labels_mx (stm_list
in_list, int *status);