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C Program To Accept Password

Submitted by Srikanth on Tuesday, 11 December 20076 Comments

This is a simple login program in C.While accepting password it masks each character using ‘*’ symbaol and display the password in the next line after the user hits Enter key.It also accepts backspaces and acts accordingly.
 

 

#include<stdio.h>
#include<conio.h>

char pw[25],ch;
int i;
void main()
{
clrscr();
puts(“Enter password”);
while(1)
{
if(i<0)
i=0;
ch=getch();
if(ch==13)
break; /*13 is ASCII value of ENTER*/
if(ch==8) /*ASCII value of BACKSPACE*/
{
putch(‘\b’);
putch(NULL);
putch(‘\b’);
–i;
continue;
}
pw[i++]=ch;
ch=’*';
putch(ch);
}
pw[i]=’\0′;
printf(“\n\n%s”,pw);
getch();
}

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6 Comments »

  • Doodle77 said:

    Go home.

    - 15 December 2007 at 8:06 pm
  • Anonymous said:

    Wats great in this?

    - 19 January 2008 at 12:45 pm
  • Everyone said:

    Good

    - 21 February 2009 at 1:03 pm
  • Virendra said:

    hi Shrikant,
    can you please tell me from where can i get c compiler

    - 22 March 2009 at 2:08 pm
  • Srikanth (author) said:

    @ Virendra

    Goto Borland site. Or search on google for Turbo C/C++ compiler

    - 23 March 2009 at 5:33 pm
  • crusader said:

    I was wondering if dev-c++ is a good compiler? and if it compiles in c also? Thanks

    - 28 December 2009 at 4:33 am

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