if you see the next table.you wolud recognise the escape sequences.
| character name | c++ code |
| newline | \n |
| horizontal tab | \t |
| vertical tab | \v |
| backspace | \b |
| carriage return | \r |
| alert | \a |
| backslash | \\ |
| questiion mark | \? |
| single quote | \' |
| double quote | \" |
see this , please not see the chinese book ,with chinese may like american use the sheep for sleep and chinese use the "水饺" for “睡觉”.
it's so beautiful.