29 lines
1.1 KiB
Markdown
29 lines
1.1 KiB
Markdown
> **1.** Section 15.1 listed several advantages of dividing a program into multiple source files.(a). Describe several other advantages
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> (b). Describe some disadvantages
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---
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> **2.** Which of the following should *not* be put in a header file? Why not?
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b. Function definitions - Functions should only be defined once, and this allows multiple files to share the same function definition
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---
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> **3.** We saw that writing `#include <file>` instead of `#include "file"` may not work if file is one that we've written. Would there be any problem with writing `$include "file"` instead of `#include <file>` if *file* is a system header?
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Yes, `""` is a path relative to the current file, whereas `<>` is a path to the system's standard library headers.
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---
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> **4.** Assume that `debug.h` is a header file with the following contents...
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>(a). What is the output when the program is executed?
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```
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Output if DEBUG is defined:
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Value of i: 1
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Value of j: 2
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Value of i + j: 3
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Value of 2 * i + j - k: 1
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```
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> (b). What is the output if the `#define` directive is removed from `testdebug.c`?
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> |