Appendix C. The ASCII Character Set
Computers store characters by using numeric codes. The ASCII (American Standard Code for Information Interchange) code is the most commonly used code in the United States. It’s also a subset (a very small subset) of Unicode. C++ lets you represent most single characters directly, by including the character in single quotation marks, as in 'A' for the A character. You can also represent a single character by using the octal or hex code preceded by a backslash; for example, '\012' and '\0xa' both represent the linefeed (LF) character. Such escape sequences can also be part of a string, as in "Hello,\012my dear".
Table C.1 shows the ASCII character set in various representations. When used as a prefix in the ...
Get C++ Primer Plus, Fifth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
