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我在嵌入式项目中使用 newlib-nano。 我已经实现了_write()将printf()输出字符输出到 UART 的版本。
_write()
printf()
我想知道单个调用是否会printf()导致单个调用_write(),或者,否则_write()可以多次调用printf().
最好的问候马克斯