Programming in C: Unit III (b): Pointers

Pointers to Pointers

with Example C Program

Home | Department: CSE Department | Ist Year | Subject: Programming in C |

In C language you are also allowed to use pointers that point to pointers. The pointers in turn, point to data (or even to other pointers). To declare pointers to pointers, just add an asterisk (*) for each level of reference.

POINTERS TO POINTERS

int x = 10

int *px; //pointer to an integer

int **ppx; // pointer to a pointer to an integer

px = &x;

ppx = &px;

Assume that the memory location of these variables is as shown in Figure 7.9.

Now if we write,

printf("\n %d", **ppx);

then it will print 10, the value of x.

Programming in C: Unit III (b): Pointers : Tag: : with Example C Program - Pointers to Pointers

Home | Department: CSE Department | Ist Year | Subject: Programming in C |

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Programming in C: Unit III (b): Pointers

Understanding the Computer's Memory - Pointers

Introduction to Pointers - with Example C Programs

Declaring Pointer Variables - with Example C Programs

Pointer Expressions and Pointer Arithmetic - with Example C Programs

Null Pointers - with Example C Programs

Generic Pointers - with Example C Programs

Passing Arguments to Function Using Pointers - with Example C Programs

Pointers and Arrays - Syntax with Example C Programs

Passing an Array to Functions - with Example C Programs | Pointers

Difference Between Array Name and Pointer - with Example C Programs

Pointers and Strings - with Example C Programs

Arrays of Pointers - with Example C Programs

Pointers and 2D Arrays - with Example C Programs

Pointers and 3D Arrays - with Example C Program

Function Pointers - with Example C Programs

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