keil中warning C209:'_write_str':too few actual parameters怎么解决?

keil中warning C209:'_write_str':too few actual parameters怎么解决?
keil中warning C209:'_write_str':too few actual parameters怎么解决?

keil中warning C209:'_write_str':too few actual parameters怎么解决?
调用_write_str函数时传入的参数少于函数原型中声明的参数数量.
检查你的程序.