MVC程序设计实例

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////  ModelViewController.c//  ExchangeSort////  Created by Mewlan Musajan on 10/18/17.//  Copyright (c) 2017 Mewlan Musajan. All rights reserved.//#include <stdio.h>int main(int argc, char const *argv[]){void loadModel();loadModel();return 0;}void loadModel(){void loadView(int *p1, int *p2, int *p3);int a, b, c, *p1, *p2, *p3;p1 = &a;p2 = &b;p3 = &c;loadView(p1, p2, p3);}void loadView(int *p1, int *p2, int *p3){printf("Please enter 3 integer:\n");scanf("%d, %d, %d", p1, p2, p3);void loadController(int *p1, int *p2, int *p3);loadController(p1, p2, p3);printf("3 numbers in descending order: %d, %d, %d\n", *p1, *p2, *p3);}void loadController(int *p1, int *p2, int *p3){void exchange(int *p1, int *p2, int *p3);exchange(p1, p2, p3);}void exchange(int *p1, int *p2, int *p3){void swap(int *p1, int *p2);if (*p1 < *p2){swap(p1, p2);}if (*p1 < *p3){swap(p1, p3);}if (*p2 < *p3){swap(p2, p3);}}void swap(int *p1, int *p2){int temp;temp = *p1;*p1 = *p2;*p2 = temp;}