digraph G {
rankdir=LR;
IDLE [label="IDLE\nupd_loc_child_f_idle()"]
WAIT_HLR_RESP [label="WAIT_HLR_RESP\nupd_loc_child_f_w_hlr()"]
DONE [label="DONE"]
IDLE->WAIT_HLR_RESP [label="-"]
IDLE->DONE [label="-"]
WAIT_HLR_RESP->DONE [label="-"]
}