C — Suppress normal output; instead, print a count of matching lines for each input file.

c——屏蔽正常输出；相反，打印每个输入文件的匹配行数。

youdao

C. This will start the sndpeek program listening to your microphone and print the output to the Perl program.

此命令将启动侦听麦克风的sndpeek程序并将输出打印到Perl程序。

youdao

printf Well, notice I'm calling print F with percent C, and then I'm printing out each of these letters one at a time.

好的，请注意我用%c来调用，然后我打印出一个一个打印出这些字符。

youdao