cassert(assert.h)——1个

http://www.cplusplus.com/reference/cassert/assert/

声明：void assert (int expression);

 1 #include <iostream>
 2 #include <cassert>
 3 
 4 using namespace std;
 5 
 6 void cout_number(int *myInt)
 7 {
 8     assert(NULL != myInt);
 9     cout << "myInt===========" << *myInt << endl;
10 }
11 
12 int main()
13 {
14     int a = 10;
15     int *b = NULL;
16     int *c = NULL;
17 
18     b = &a;
19     cout_number(b);
20     cout_number(c);
21     cout << "Hello World!" << endl;
22     return 0;
23 }
View Code
【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/Vancamel/p/6885137.html