比如说需要重定向到串口,我重新实现了下fputc调用串口打印驱动函数,%s能够正常输出到串口,但是对于%d占位符没有效果,打断点发现%d不会进入到fputc,请问还有哪些接口需要重新定义?
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比如说需要重定向到串口,我重新实现了下fputc调用串口打印驱动函数,%s能够正常输出到串口,但是对于%d占位符没有效果,打断点发现%d不会进入到fputc,请问还有哪些接口需要重新定义?