C File Handling Test – 2

1. What is the output of the following C code if there is no error in stream fp?

    #include <stdio.h>
    int main()
    {
        FILE *fp;
        fp = fopen("newfile", "w");
        printf("%d\n", ferror(fp));
        return 0;
    } 

2. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        FILE *fp;
        char c;
        int n = 0;
        fp = fopen("newfile1.txt", "r");
        while (!feof(fp))
        {
            c = getc(fp);
            putc(c, stdout);
        }
    } 

3. What happens when we use the following C statement?

fprintf(stderr, "error: could not open filen");

4. stderr is similar to?

5. Which of the following function can be used to terminate the main function from another function safely?

6. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        char buf[12];
        stderr = stdin;
        fscanf(stderr, "%s", buf);
        printf("%s\n", buf);
    }

7. What will be the output of the following C code?

    #include <stdio.h>
    int main()
    {
        FILE *fp = stdout;
        stderr = fp;
        fprintf(stderr, "%s", "hello");
    } 

8. Within main, return expr statement is equivalent to ________