l_get_pid_from_path
extern int l_get_pid_from_path(const char *, const gfc_map_t *, int *);
if (err = l_get_pid_from_path(ses_path, map, &ses_pid)) {
if (err = l_get_pid_from_path(ses_path, map, &ses_pid))
if (err = l_get_pid_from_path(path, &map_ptr->map, &path_pid)) {