1var void
2var void
3str "argument expected"
4str "string argument expected"
5str "chars argument expected"
6str "string argument expected"
7str "pattern argument expected"
8str "string argument expected"
9str "string argument expected"
10str "position argument expected"
11str "length argument expected"
12def sp ""
13def str ""
14str "closing parenthesis missing"
15str "%s: unknown operator argument"
16str "non-numeric argument"
17str "division by zero"
18str "non-numeric argument"
19cmd expr
20str "%s"
21str "%s"
22str "%s"
23str "syntax error"
24