-#include <stdio.h>\r
+#ifndef _LUAUTILS_H\r
+#define _LUAUTILS_H\r
+\r
#include <lua.h>\r
#include <lauxlib.h>\r
#include <lualib.h>\r
\r
-int lua_evalexpr(lua_State*, char*);\r
-char* lua_stringexpr(lua_State*, char*, char*);\r
-double lua_doubleexpr(lua_State*, char*, double);\r
-int lua_intexpr(lua_State*, char*, int);\r
-bool lua_boolexpr(lua_State*, char*, bool);\r
+int eval_expr(lua_State *, char *);\r
+int has_table(lua_State *, char *);\r
+void string_expr(lua_State *, char *, char *, const char *);\r
+double double_expr(lua_State *, char *, double);\r
+int int_expr(lua_State *, char *, int);\r
+bool bool_expr(lua_State *, char *, bool);\r
+\r
+#endif\r