dba () mes std sin clu col code esp
测试代码:
- #include < bits / stdc++.h > using namespace std;
- char * fun() {
- char s[] = "abcde";
- printf("fun:%p\n", s);
- return s;
- }
- char * fun1() {
- static char s[] = "abcde";
- printf("fun1:%p\n", s);
- return s;
- }
- char * fun2() {
- char * s = new char[6];
- strcpy(s, "abcde");
- printf("fun2:%p\n", s);
- return s;
- }
- int main() {
- printf("%p %s\n", fun(), fun());
- printf("%p %s\n", fun1(), fun1());
- printf("%p %s\n", fun2(), fun2());
- return 0;
- }
运行结果:
- fun:0x7ffdba452540
- fun:0x7ffdba452540
- (nil) (null)
- fun1:0x601060
- fun1:0x601060
- 0x601060 abcde
- fun2:0x1fd3030
- fun2:0x1fd3050
- 0x1fd3050 abcde
c++ 函数内定义变量返回
来源: http://www.bubuko.com/infodetail-2379078.html