vuln.c

#include <stdio.h>

void hacker()
{
        printf("No, I'm a hacker!\n");
}

void inSecure()
{
        char name[30];
        printf("What is your name?\n");
        gets(name);
        printf("Hey %s, you're harmless, aren't you?\n", name);
}

int main()
{
        inSecure();
        return 0;
}