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C array of pointers 
 

A pointer is a variable that contains the memory location of another variable.

 

C array of pointers

                         

In this section, you will learn how to create array of pointers.

A pointer is a variable that contains the memory location of another variable. The values you assign to the pointers are memory addresses of other variables (or other pointers). A running program gets a certain space in the main memory. 

Syntax of declaring a pointer:
        data_type_name * variable name


First of all, specify the data type of data stored in the location, which is to identified by the pointer. The asterisk tells the compiler that you are creating a pointer variable. Then specify the name of variable.

You can see in the given example, we have created an array of pointers of maximum size 3. Then we have assigned the objects of array pointer.
The address of the variable. 
array[0] = &x;
array[1] = &y;
array[2] = &z;

Here is the code:

ARRAYPOI.C

#include <stdio.h>
#include <conio.h>
main() {
  clrscr();
  int *array[3];
  int x = 10, y = 20, z = 30;
  int i;
  array[0] = &x;
  array[1] = &y;
  array[2] = &z;
  for (i=0; i< 3; i++) {
    printf("The value of %d= %d ,address is %u\t \n", i, *(array[i]),
        array[i]);
  }
  getch();
  return 0;
}

Output will be displayed as:

ARRAYPOI.EXE

Download Source Code:

                         

» View all related tutorials
Related Tags: c ide function language fun io pointer vi int id address define poi unc add to point attach feature base

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