Programming with C

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Pointer Increment

Pointer Increment

Example: Post Increment

#include<stdio.h>
int main()
{
	int *ptr = (int *) 2000;
	int *fptr;
	printf("Initial value of ptr = %u\n",ptr);
	fptr = ptr++;
	printf("Resultant value of fptr = %u\n",fptr);
	printf("Final value of ptr = %u",ptr);
	return 0;
}

Output

Initial value of ptr = 2000
Resultant value of fptr = 2000
Final value of ptr = 2002

Example: Pre Increment

#include<stdio.h>
int main()
{
	int *ptr = (int *) 2000;
	int *fptr;
	printf("Initial value of ptr = %u\n",ptr);
	fptr = ++ptr;
	printf("Resultant value of fptr = %u\n",fptr);
	printf("Final value of ptr = %u",ptr);
	return 0;
}

Output

Initial value of ptr = 2000
Resultant value of fptr = 2002
Final value of ptr = 2002

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