unknown character '0xa3'是什么意思

unknown character '0xa3'是什么意思 G:\vc\9\9.c(9) :error C2018:unknown character '0xa3' G:\vc\9 unprintable character 0xA3 skipped 在keil中出现的错误是什么意思 C语言的erorr c2018: unknown character 0xa1是什么意思 c++error C2018:unknown character '0xa1' keil编译是 keil编译是显示：unprintable character 0xA3 skipped 和unprin error C2018:unknown character 单片机中 sbit DOUT=0xA3是什么意思 unknown是什么意思 character by character是什么意思 character是什么意思 marry unknown是什么意思?