8 int eval_expr(lua_State *, char *);
\r
9 int has_table(lua_State *, char *);
\r
10 void string_expr(lua_State *, char *, char *, const char *);
\r
11 double double_expr(lua_State *, char *, double);
\r
12 int int_expr(lua_State *, char *, int);
\r
13 bool bool_expr(lua_State *, char *, bool);
\r