File Input Output- C Programming MCQ Questions and Answers

#include <stdio.h>
int main()
{
    char *str = "hello, world";
    char str1[15] = "hello wo 9";
    strcpy(str, str1);
    printf("%s", str1);
}

scanf("%7s",ch);

#include <stdio.h>
int main()
{
    char str[10] = "hello";
    char *str1 = "world";
    strncat(str, str1, 9);
    printf("%s", str);
}

var = strcmp("Hello", "World");