int spw_name(const char *filename) { return commonio_setname(&shadow_db, filename); }
int sub_gid_setdbname (const char *filename) { return commonio_setname (&subordinate_gid_db, filename); }
int gr_name (const char *filename) { return commonio_setname (&group_db, filename); }
int pw_setdbname (const char *filename) { return commonio_setname (&passwd_db, filename); }