This patch is for machines which don't have the old BSD tty API,
but do support the POSIX style termios terminal control.

nothing is changed unless you define
USE_POSIX_TERMIOS
in the makefile

*** read_pwd.c.orig	Fri Oct 15 10:45:46 1993
--- read_pwd.c	Tue Nov 16 10:17:55 1993
***************
*** 6,11 ****
--- 6,12 ----
  #include <signal.h>
  #include <setjmp.h>
  
+ #ifndef USE_POSIX_TERMIOS
  #ifndef VMS
  #ifndef MSDOS
  #ifndef _IRIX
***************
*** 43,48 ****
--- 44,52 ----
  	long  iosb$l_info;
  	};
  #endif
+ #else	
+ #include <termios.h>
+ #endif
  
  static void read_till_nl();
  static int read_pw();
***************
*** 119,124 ****
--- 123,129 ----
  char *prompt;
  int verify;
  	{
+ #ifndef USE_POSIX_TERMIOS
  #ifndef VMS
  #ifndef MSDOS
  	struct sgttyb tty_orig,tty_new;
***************
*** 130,135 ****
--- 135,144 ----
  	long status;
  	unsigned short channel = 0;
  #endif
+ #else
+ /* USE_POSIX_TERMIOS */
+ 	struct termios tty_orig,tty_new;
+ #endif
  	int ok=0;
  	char *p;
  	int ps=0;
***************
*** 142,147 ****
--- 151,157 ----
  	if ((tty=fopen("con","r")) == NULL)
  		tty=stdin;
  #endif /* MSDOS */
+ #ifndef USE_POSIX_TERMIOS
  #ifndef VMS
  #ifdef TIOCGETP
  	if (ioctl(fileno(tty),TIOCGETP,(char *)&tty_orig) == -1)
***************
*** 156,161 ****
--- 166,177 ----
  	if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
  		return(-1);
  #endif
+ #else
+ /* USE_POSIX_TERMIOS */
+ 	if (tcgetattr(fileno(tty),&tty_orig) != 0)
+ 		return (-1);;
+ 	bcopy(&(tty_orig),&(tty_new),sizeof(tty_orig));
+ #endif
  
  	if (setjmp(save))
  		{
***************
*** 164,169 ****
--- 180,186 ----
  		}
  	pushsig();
  	ps=1;
+ #ifndef USE_POSIX_TERMIOS
  #ifndef VMS
  #ifndef MSDOS
  	tty_new.sg_flags &= ~ECHO;
***************
*** 180,185 ****
--- 197,209 ----
  	if ((status != SS$_NORMAL) || (iosb.iosb$w_value != SS$_NORMAL))
  		return(-1);
  #endif /* VMS */
+ #else
+ /* USE_POSIX_TERMIOS */
+ 	tty_new.c_lflag &= ~ECHO;
+ 	tcdrain(fileno(tty));
+ 	if (tcsetattr(fileno(tty),TCSAFLUSH, &tty_new) != 0)
+ 		return (-1);
+ #endif
  	ps=2;
  
  	while (!ok)
***************
*** 217,222 ****
--- 241,247 ----
  error:
  	fprintf(stderr,"\n");
  	/* What can we do if there is an error? */
+ #ifndef USE_POSIX_TERMIOS
  #ifndef VMS
  #ifdef TIOCSETP
  	if (ps >= 2) ioctl(fileno(tty),TIOCSETP,(char *)&tty_orig);
***************
*** 226,231 ****
--- 251,263 ----
  		status = SYS$QIOW(0,channel,IO$_SETMODE,&iosb,0,0
  			,tty_orig,12,0,0,0,0);
  #endif /* VMS */
+ #else
+ /* USE_POSIX_TERMIOS */
+ 	if (ps >= 2) {
+ 		tcdrain(fileno(tty));
+ 		tcsetattr(fileno(tty),TCSAFLUSH,&tty_orig);
+ 	}
+ #endif
  	
  	if (ps >= 1) popsig();
  	if (stdin != tty) fclose(tty);