Programming in C is fast — all you have to do is type a short sequence of keystrokes — generally just two — to get a tab, a new line, a question mark, and more. The following table shows the sequences you need to accomplish a variety of tasks:
| Sequence | Represents |
|---|---|
| \a | The speaker beeping |
| \b | Backspace (move the cursor back, no erase) |
| \f | Form feed (eject printer page; ankh character on the screen) |
| \n | Newline, like pressing the Enter key |
| \r | Carriage return (moves the cursor to the beginning of the line) |
| \t | Tab |
| \v | Vertical tab (moves the cursor down a line) |
| \\ | The backslash character |
| \’ | The apostrophe |
| \” | The double-quote character |
| \? | The question mark |
| \0 | The “null” byte (backslash-zero) |
| \xnnn | A character value in hexadecimal (base 16) |
| \Xnnn | A character value in hexadecimal (base 16) |
dummies
Source:http://www.dummies.com/how-to/content/c-language-escape-sequences0.html
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