113 static void checknext (LexState *ls, int c) {  in checknext()  function
635   checknext(ls, ']');  in yindex()
668   checknext(ls, '=');  in recfield()
745   checknext(ls, '{');  in constructor()
798   checknext(ls, '(');  in body()
804   checknext(ls, ')');  in body()
1154     checknext(ls, '=');  in assignment()
1224   checknext(ls, TK_DBCOLON);  /* skip double colon */  in labelstat()
1246   checknext(ls, TK_DO);  in whilestat()
1292   checknext(ls, TK_DO);  in forbody()
1320   checknext(ls, '=');  in fornum()
1322   checknext(ls, ',');  in fornum()
1351   checknext(ls, TK_IN);  in forlist()
1386   checknext(ls, TK_THEN);  in test_then_block()