#include <stdio.h>
#include <Windows.h>

char *test1(){
	char str[] = "HelloWorld!";     //函数运行完，分配的内存被释放
	return str;
}

char *test2(){
	char *str = "HelloWorld!";      //运行完不释放
	return str;
}


char *test3(){
	static char str[] = "HelloWorld!";  //静态分配，函数运行完不释放
	return str;
}

int main(int argc,char *argv[]){
	printf("%s",test1());
	printf("%s",test2());
	printf("%s",test3());


	system("pause");
	return 0;
}