程序代码：

#include <stdio.h>
int *fun(void)
{
    int a = 7;

    return &a;
}

int main()
{
    printf("%d\n",*fun());

    return 0;
}

程序代码：

#include <stdio.h>
char *Func(void)
{
    char str[30] = {"wwww"};
    return str;
}

char *fun(void)
{
    char str[30] = {"fwef"};
    return str;
}


int main(void)
{
    printf("%c    %c\n",*fun(),*Func());
    return 0;
}