Appendix C. ASCII Codes
This appendix presents ASCII codes according to decimal value, hexadecimal value, and corresponding character. Hexadecimal codes can be used to embed values into a string, as described in Chapter 2:
cout << "Hex code 6f is " << "\x6f" << endl;
Some nonprintable characters have special meanings:
NUL: null value
ACK: acknowledgment signal (used in network communications)
BEL: bell
BS: backspace
LF: linefeed
FF: form feed ...
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