Answer Posted / lucky

In a arry we have to specify length before we use.
But in the case of poiters we don't need.

What is pass by reference in c?

607

---

void main(){ int a; a=1; while(a-->=1) while(a-->=0); printf("%d",a); }

1255

---

Can I use base-2 constants (something like 0b101010)? Is there a printf format for binary?

571

---

Here is a neat trick for checking whether two strings are equal

562

---

How reliable are floating-point comparisons?

622

---

---

Write a program for Overriding.

680

---

Explain low-order bytes.

621

---

Explain what is gets() function?

627

---

What is volatile c?

521

---

What is the need of structure in c?

562

---

What is pointer to pointer in c with example?

544

---

What is scanf () in c?

658

---

What is a void pointer? When is a void pointer used?

618

---

Write a program to print all permutations of a given string.

638

---

Explain how do you list a file’s date and time?

615

---