File Input Output- C Programming MCQ Questions and Answers

int ungetc(int c, FILE *fp)

#include <stdio.h>
#include <stdlib.h>
int main()
{
    printf("%d\n", rand());
    return 0;
}

ungetc(c, fp);//where declarations are int c and FILE *fp

scanf("%d %f %c", &s1, &s2, &s3);

int *ip = (int *)malloc(sizeof(int));

#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);
    }
}

printf("\n The number is %07d",1212);