In C Programming Language escape sequence is a special string comprise a backslash (\) followed by a letter or by a combination of digits used to control output on monitor. Escape sequences are typically used to represent actions such as newline,carriage returns,tab movements and non printing characters over the monitor. The following table lists the common ANSI escape sequences and their meaning.
|\’||Single quotation mark|
|\ "||Double quotation mark|
|\?||Literal question mark|
|\ ooo||ASCII character in octal notation|
|\x hh||ASCII character in hexadecimal notation|
|\x hhhh||Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal.|