C Program to Illustrate how User Authentication is Done

August 14, 2016

C Program to Illustrate how User Authentication is Done.

```
#include <stdio.h>
```
```
 
```
```
void main()
```
```
{
```
```
 char password[10], username[10], ch;
```
```
 int i;
```
```
 
```
```
 printf("Enter User name: ");
```
```
 gets(username);
```

 printf("Enter the password < any 8 characters>: ");

```
 for (i = 0; i < 8; i++)
```
```
 {
```
```
            ch = getchar();
```
```
            password[i] = ch;
```
```
            ch = '*' ;
```
```
            printf("%c", ch);
```
```
 }
```
```
        password[i] = '\0';
```

 /*  Original password can be printed, if needed */

```
 printf("\n Your password is :");
```
```
 for (i = 0; i < 8; i++)
```
```
 {
```
```
            printf("%c", password[i]);
```
```
 }
```
```
}
```

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