C-Preprocessor Quiz Online Practice Test

1. How would you define a preprocessor in programming?

2. Which of the following are considered C preprocessor directives?

3. What term describes the feature that enables the creation of different executables for various platforms in C?

4. What does the statement #include <stdio.h> represent?

5. Is it true that C preprocessors can include features specific to certain compilers?

6. What output can you expect from executing the following C code?
#include <stdio.h>
#define foo(m, n) m * n = 10
int main()
{
printf("in main\n");
}

7. Where must the #include statement be placed in a C program?

8. What is the primary purpose of #pragma exit in C?

9. When executing the following C code, what output will you see?
#include <stdio.h>
int main()
{
int one = 1, two = 2;
#ifdef next
one = 2;
two = 1;
#endif
printf("%d, %d", one, two);
}

10. What does the #include directive do in C?

11. What capabilities does the preprocessor offer in C?

12. What happens when the #include directive is used with a filename enclosed in angle brackets?

13. Is the C preprocessor considered the initial phase in the compilation process?

14. What is the preprocessor feature that provides line numbers and filenames to the compiler?

15. The directive `#include <somefile.h>` is used for _______ files, while `#include "somefile.h"` is used for _______ files.

16. C preprocessors are indicated by the _________ symbol.