C Programming
Comment on the following?const int *ptr;

Both of the above
We can change the pointer as well as the value pointed by it.
We cannot change the pointer ptr itself.
We cannot change the value pointed by ptr.

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C Programming
What is the output of given program if user enter "xyz" ?#includevoid main(){float age, AgeInSeconds;int value;printf("Enter your age:");value=scanf("%f", &age);if(value==0){printf("\\nYour age is not valid");}AgeInSeconds = 365 * 24 * 60 * 60 * age;printf("\\n You have lived for %f seconds", AgeInSeconds);}

Enter your age: xyz You have lived for 0 seconds
Complier error
Enter your age : xyz Your age is not valid
Enter your age: xyz Your age is not valid

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