Chapter 21
Answers to Chapter 21 Review Questions
| 1: | How can you make the code between #if and #endif of the following lines be included in the compilation
#if TRIALEDITION
<Some code>
#endif
|
| A1: | By letting the following line be the first line in the source code:
#define TRIALEDITION |
| 2: | Is the second line in the following two lines of code valid? Why or why not?using System; #define |
| A2: | No, it is invalid. #define and #undef must precede any non-preprocessor directives in the source code. |
| 3: | Add the necessary preprocessor directives and identifiers to the following lines of code, so that <Code part 1> is excluded from the compilation and <Code part 2> is included.
...
#if
<Code part 1>
#endif
...
#if
<Code part 2>
#endif
...
|
| A3: |
#undef PART1 ... |
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