Answer Posted / shashikanth

pointer is a variable which can holds the addrese of another object.

A global variable when referred to in another file is declared as this a) local variable b) external variable c) constant d) pointers

643

---

What is the default value of local and global variables in c?

552

---

Is there a way to compare two structure variables?

608

---

What is queue in c?

565

---

Can we increase size of array in c?

527

---

---

What is chain pointer in c?

592

---

What is declaration and definition in c?

515

---

#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1250

---

When should the register modifier be used? Does it really help?

598

---

What is a program?

648

---

Explain the use of keyword 'register' with respect to variables.

584

---

Tell me what is null pointer in c?

601

---

What are the different types of objects used in c?

561

---

explain what is an endless loop?

600

---

Tell us two differences between new () and malloc ()?

608

---