Thread: plz help me anybody regarding this program

Code:

#include<iostream.h>
#include<conio.h>
#include<string.h>
void main()
{
clrscr();
char a[]="soft",b[4];
int i,n;
for(i=0;a[i]!=NULL;i++)
{
b[i]=getch();
cout<<"*";
}
n=strcmp(b,a);
if (n==0)
cout<<"Welcome";
else
cout<<"Invalid Password";
getch();
}

when i m running this program i always get invalid password...........

First, please use [code][/code] tags

You cannot compare characters arrays that are not null-terminated using strcmp. 'b' needs to be long enough to hold 5 characters to include the null character. You should ideally use '\0' for the nul-terminator as well, rather than NULL, for clarity.
Also, main must return int, never void.