APPENDIX 6 Essentials of C
This appendix provides summary information on key aspects of the C programming language as a set of tables. Example usage and further explanations of most of these features appear in Chapters 14–19 of this book.
TABLE A6.1 C keywords associated with data type and structure definition
| Word. | Summary meaning. | Word. | Summary meaning. |
|---|---|---|---|
| char | A single character, usually 8-bit. | signed | A qualifier applied to char or int (default for char and int is signed). |
| const | Data that will not be modified. | sizeof | Returns the size in bytes of a specified item, which may be variable, expression or array. |
| double | A ‘double precision’ floating-point number. | struct | Allows definition of a data structure. |
| enum | Defines variables that ... |
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