newline    换行符    \n

horizontal tab    水平制表符    \t

vertical tab    纵向制表符    \v

backspace    退格符    \b

carriage return    回车符    \r

formfeed    进纸符    \f

alert (bell)    报警（响铃）符    \a

backslash    反斜线    \\

question mark    疑问号    \?

single quote    单引号    \'

double quote    双引号    \"