The C backslash conventions and their meanings are as follows:
| Convention | Meaning |
| \a | Alert (0x07) |
| \b | Backspace (0x08) |
| \f | Form feed (0x0c) |
| \n | Newline (0x0a) |
| \r | Carriage return (0x0d) |
| \t | Horizontal tab (0x09) |
| \v | Vertical feed (0x0b) |
| \\ | Backslash (0x5c) |
| \" | Quotation mark (0x22) |
| \' | Single quote (0x27) |
| \nnn | Character whose octal value is nnn (where n is 0-7) |
| \Xnn | Character whose hexadecimal value is nn (where n is 0-9, a-f, or A-F) |