Basic pointer usage

basic_ptr_usage.c

#include <stdio.h>
#include <string.h>

int main() {
	int val = 123;
	int* valPtr = &val;

	printf("address of &val = %p\n", &val);
	printf("value of val = %d\n", val);
	printf("value of valPtr = %p\n", valPtr);
	printf("address of &valPtr = %p\n", &valPtr);
	printf("dereferenced value of valPtr = %d\n", *valPtr);
	
	return 0;
}