RileyKim

/* int* const */

#include<stdio.h>

int main(int * pArr, int n) {
	int a = 10;
	int b = 20;

	int* const p = &a;
	//p=&b -> Error

RileyKim

/* const int* */

#include<stdio.h>

int main(int * pArr, int n) {
	int a = 10;
	const int* p = &a;
	//*p = 30; -> Error
	a = 30;
}

RileyKim

/*Call by Reference*/

#include<stdio.h>

void swap(int* a, int* b);

int main(int * pArr, int n) {
	int val1 = 10;
	int val2 = 20;

RileyKim

#include<stdio.h>

int ArrAdder(int* pArr, int n);

int main(int * pArr, int n) {
	int arr[10] = { 1,2,3,4,5,6,7,8,9,10 };
	int SumOfArr;

	SumOfArr = ArrAdder(arr, sizeof(arr) / sizeof(int));
	printf("배열의 총 합 : %d \n", SumOfArr);

RileyKim

#include<stdio.h>

void fct(int *arr2);

int main(int * arr2) {

	int arr1[2] = { 1,2 };

	fct(arr1);
	printf("%d \n", arr1[0]);

RileyKim

#include<stdio.h>

int main(void) {

	char* arr[3] = { "fervent-lecture", "tcp/ip", "socket programming" };

	printf("%s \n", arr[0]);
	printf("%s \n", arr[1]);
	printf("%s \n", arr[2]);

RileyKim

#include<stdio.h>

int main(void) {

	int a = 10;
	int b = 20;
	int c = 30;

	int* arr[3] = { &a, &b, &c };

RileyKim

#include<stdio.h>

int main() {

	//def. this array is variable
	char str1[5] = "abcd"; 
	//def. this array is number
	char *str2 = "ABCD";

	printf("%s \n", str1);

RileyKim

#include<stdio.h>

int main(void) {
	int arr[2] = { 1,2 };

	int* pArr = arr;

	//output by array name
	printf("%d, %d \n", arr[0], *(arr + 1));
	//output by variable

RileyKim

#include<stdio.h>

int main(void) {
	int arr[5] = { 1,2,3,4,5 };
	int* pArr = arr;
	printf("%d \n", *pArr);

	printf("%d \n", *(++pArr));
	printf("%d \n", *(++pArr));
	printf("%d \n", *(pArr+1));