C language tutoring

Source: Internet
Author: User

《C LanguageProgramDesign (three editions), published by Tsinghua
1. Appendix A common characters and ASCIICodeTable
Appendix B keywords in C Language
Appendix C Operator and associativity (Who calculates who is first and then calculates)
Appendix D general syntax in C Language
Appendix E c database functions
2.10 of the original code 0000 0000 0000 1010
-10 fill Code 1111 1111 1111 0101 + 1 is 1111 1111 1111 0110
The complement code of a negative number is the absolute value. The bitwise result is used to add 1 to the bitwise result.

3. Int 16-bit range-32768 ~ 32767
4. C provides three main pre-processing functions:
1. Macro definition # define PI 3.1415926; # define s (a, B) a * B
2. File Inclusion # indclude "file name"
3. Conditional compilation # ifdef... # else... # endif
These commands start,
Several formats in C *. C, *. h;

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