Escape Sequence Characters (Backslash Character Constants) in C:

C supports some special escape sequence characters that are used to do special tasks.

These are also called as 'Backslash characters'.

Some of the escape sequence characters are as follow:

Character--------- Constant Meaning

\n----------------- New line (Line break)

\b----------------- Backspace

\t ----------------- Horizontal Tab

\f ------------------Form feed

\a ----------------- Alert (alerts a bell)

\r ----------------- Carriage Return

\v ----------------- Vertical Tab

\? ----------------- Question Mark

\' ------------------ Single Quote

\'' ------------------ Double Quote

\\ ------------------Backslash

\0------------------Null

Comments

There are two types of comments

1. // (Single Line Comment)

Any line that starts with a // is a comment

eg : clrscr(); // to clear the screen

2. /* (Multiple Line Comment)

*/

Example :

/*

Program To Display

Welcome Message On The Screen

*/

Comments Statements are not executable statements.

Comments are used for user help.