| 5.1 | Implement setbuf using setvbuf. |
| 5.2 | Type in the program that copies a file using line-at-a-time I/O (fgets and fputs) from Section 5.8, but use a MAXLINE of 4. What happens if you copy lines that exceed this length? Explain what is happening. |
| 5.3 | What does a return value of 0 from printf mean? |
| 5.4 | The following code works correctly on some machines, but not on others. What could be the problem?
#include <stdio.h>
int
main(void)
{
char c;
while ((c = getchar()) != EOF)
putchar(c);
}
|
| 5.5 | Why does tempnam restrict the prefix to five characters? |
| 5.6 | How would you use the fsync function (Section 3.13) with a standard I/O stream? |
| 5.7 | In the programs in Figures 1.7 and 1.10, the prompt that is printed does not contain a newline, and we don't call fflush. What causes the prompt to be output? |
