How to make the password in to asterisk and asign a exact password for char In C

#include
#include
#include
//#include
main()
{
 int c;
 int i;
 char pwd[80];
    // clrscr();
      printf("ENTER Password");
 for ( i = 0; i < 79 && 
(c = getch()) != '\r'; ++i )
 {
  pwd[i] = c;
 putch('*');
 }
   pwd[i] = '\0';
   printf("\n");;
   if ( strcmp(pwd, "liza") == 0 )
   {
     printf("Correct \n");
   }
   else
   {
  printf("Incorrect \n");
   }
   return 0;
}