APPENDIX BASCII Character Code Definitions
The first 32 American Standard Code for Information Interchange (ASCII) characters provide control functions. Many of these haven't been referenced in this book but are included here for completeness. In Table B-1, only the first 128 characters are included. The remaining 128 characters include further special symbols and letters for national character sets.
Table B-1. ASCII Character Code Values
| Decimal | Hexadecimal | Character | Control |
| 000 | 00 | Null | NUL |
| 001 | 01 |  |
SOH |
| 002 | 02 | ● | STX |
| 003 | 03 | ♥ | ETX |
| 004 | 04 | ♦ | EOT |
| 005 | 05 | ♣ | ENQ |
| 006 | 06 | ♠ | ACK |
| 007 | 07 | • | BEL (audible bell) |
| 008 | 08 | -- | Backspace |
Get Beginning C: From Novice to Professional, Fourth 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.
