Answer Posted / surya mukherjee

//POINTER TO CONSTANT vs CONSTANT POINTER

#include<iostream.h>
#include<conio.h>

//POINTER TO CONSTANT

void f1()
{
int i=10,j=20;
const int* pi=&i;
cout<<*pi<<endl;
//*pi = 200; ERROR : CANNOT MODIFY A CONST OBJECT IN f1()
pi=&j; // IT CAN POINT ANOTHER CONSTANT
cout<<*pi<<endl;
}

//CONSTANT POINTER

void f2()
{
int i=100,j;
int* const pi=&i;
cout<<*pi<<endl;
*pi = 200; // IT CAN ASSIGN ANOTHER VALUE AT THIS ADDRESS
cout<<*pi<<endl;
//pi=&j; ERROR : CANNOT MODIFY A CONST OBJECT IN f2()
}


void main()
{
clrscr();
f1();
f2();
getch();
}

What is string function c?

1073

---

What are directives in c?

1022

---

What is action and transformation in spark?

1226

---

What are the back slash character constants or escape sequence charactersavailable in c?

1228

---

Why c is called a middle level language?

1160

---

Explain what are linked list?

1090

---

What are type modifiers in c?

1095

---

the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above

1304

---

What is c token?

1121

---

What is function pointer c?

1188

---

What is the use of define in c?

1103

---

Explain can the sizeof operator be used to tell the size of an array passed to a function?

1115

---

cin.ignore(80, _ _);This statement a) ignores all input b) ignores the first 80 characters in the input c) ignores all input till end-of-line d) iteration

1152

---

What is f'n in math?

1135

---

How many types of operator or there in c?

1137

---