void ldbPrint(lua_State *lua, char *varname) {
    lua_Debug ar;

    int l = 0; /* Stack level. */
    while (lua_getstack(lua,l,&ar) != 0) {
        l++;
        const char *name;
        int i = 1; /* Variable index. */
        while((name = lua_getlocal(lua,&ar,i)) != NULL) {
            i++;
            if (strcmp(varname,name) == 0) {
                ldbLogStackValue(lua,"<value> ");
                lua_pop(lua,1);
                return;
            } else {
                lua_pop(lua,1); /* Discard the var name on the stack. */
            }
        }
    }

    /* Let's try with global vars in two selected cases */
    if (!strcmp(varname,"ARGV") || !strcmp(varname,"KEYS")) {
        lua_getglobal(lua, varname);
        ldbLogStackValue(lua,"<value> ");
        lua_pop(lua,1);
    } else {
        ldbLog(sdsnew("No such variable."));
    }
}
void ldbPrint(lua_State *lua, char *varname) {
    lua_Debug ar;

    int l = 0;  
    while (lua_getstack(lua,l,&ar) != 0) {
        l++;
        const char *name;
        int i = 1;  
        while((name = lua_getlocal(lua,&ar,i)) != NULL) {
            i++;
            if (strcmp(varname,name) == 0) {
                ldbLogStackValue(lua,"<value> ");
                lua_pop(lua,1);
                return;
            } else {
                lua_pop(lua,1);  
            }
        }
    }

     
    if (!strcmp(varname,"ARGV") || !strcmp(varname,"KEYS")) {
        lua_getglobal(lua, varname);
        ldbLogStackValue(lua,"<value> ");
        lua_pop(lua,1);
    } else {
        ldbLog(sdsnew("No such variable."));
    }
}