get_state_element
static void *get_state_element(state_file_descr_t *, int, int *);
x = get_state_element(statefd, statefd->index,
x = get_state_element(statefd, statefd->index, &flag);
if ((x = (ps_state_element_t *)get_state_element(
if ((x = (ps_state_element_t *)get_state_element(