root/rt-thread @ 452432a15b410797b0fd7a7fd6667bcc98c8a6db

Bernard Xiong 6459839f28 Add extern declaration for C++.		10 lat temu
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drivers	7caabd2b7a mv device ctl cmd macros from serial.h to rtdef.h	10 lat temu
rtdevice.h	6459839f28 Add extern declaration for C++.	10 lat temu