1var void 2var void 3var e_alarm 4var t 5var told 6var it_value 7var tv_sec 8var told 9var it_value 10var tv_usec 11var unsigned 12var unsigned 13var t 14var if 15var t 16var seconds 17var seconds 18var t 19var double 20var alarm 21var seconds 22var return 23var t 24var static 25var sigalrm 26var sig 27var Timer_t 28var tp 29var tplast 30var tpold 31var tpnext 32var double 33var static 34var left 35var sig 36var left 37var if 38var time_state 39var time_state 40var else 41var alarm 42