Simple Program for Pointer and Array Example in C
Overview
- Array Pointer Assignment : pointer_variable = &var[position];
- pointer_variable++ is increasing Address value based on Data Type
- pt++; --> Its locate next position of Array
for example,
Array Pointer Assignment
pt = &var[0];
pt++;
now pt++ points var[1] of address.
Syntax
Array Pointer Assignment
pointer_variable = &var[position];
pointer_variable++ is increasing Address value based on Data Type
pt++; --> Its location next position of Array
Simple Program for Pointer and Array Example
/* Simple Program for Pointer and Array Example in C*/
/* Pointer and Array Program,C Pointer Examples */
#include <stdio.h>
#define MAX_SIZE 5
int main() {
int var[] = {10, 20, 30, 40, 50};
int i = 0;
//Pointer Variable Declaration for Integer Data Type
int *pt;
//& takes the address of var , Here now pt == &var, so *pt == var
pt = &var[0];
while (i < MAX_SIZE) {
printf("Position : %d # Actual : Value : %d , Address = %p \n", i, var[i], &var[i]);
printf("Position : %d # Pointer : Value : %d , Address = %p \n\n", i, *pt, pt);
i++;
// pt++ is increasing Address value based on Data Type
pt++;
}
return 0;
}
Sample Output
Position : 0 # Actual : Value : 10 , Address = 0060FEF4
Position : 0 # Pointer : Value : 10 , Address = 0060FEF4
Position : 1 # Actual : Value : 20 , Address = 0060FEF8
Position : 1 # Pointer : Value : 20 , Address = 0060FEF8
Position : 2 # Actual : Value : 30 , Address = 0060FEFC
Position : 2 # Pointer : Value : 30 , Address = 0060FEFC
Position : 3 # Actual : Value : 40 , Address = 0060FF00
Position : 3 # Pointer : Value : 40 , Address = 0060FF00
Position : 4 # Actual : Value : 50 , Address = 0060FF04
Position : 4 # Pointer : Value : 50 , Address = 0060FF04
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