diff --git a/games/hack/Makefile b/games/hack/Makefile
index 1bba258..93e5fec 100644
--- a/games/hack/Makefile
+++ b/games/hack/Makefile
@@ -18,7 +18,7 @@ SRCS=	alloc.c hack.Decl.c hack.apply.c hack.bones.c hack.c hack.cmd.c \
 MAN=	hack.6
 DPADD=	${LIBTERMCAP}
 LDADD=	-ltermcap
-CFLAGS+= -DBSD -I${.CURDIR} -I.
+CFLAGS+=-I${.CURDIR} -I.
 BINGRP=games
 BINMODE=2555
 FILES=	rumors help hh data
diff --git a/games/hack/config.h b/games/hack/config.h
index c11fe34..28f589d 100644
--- a/games/hack/config.h
+++ b/games/hack/config.h
@@ -11,20 +11,6 @@
 #define	UNIX		/* delete if no fork(), exec() available */
 #define	CHDIR		/* delete if no chdir() available */
 
-/*
- * Some include files are in a different place under SYSV
- * 	BSD		   SYSV
- * <sys/wait.h>		<wait.h>
- * <sys/time.h>		<time.h>
- * <sgtty.h>		<termio.h>
- * Some routines are called differently
- * index		strchr
- * rindex		strrchr
- * Also, the code for suspend and various ioctls is only given for BSD4.2
- * (I do not have access to a SYSV system.)
- */
-#define BSD		/* delete this line on System V */
-
 /* #define STUPID */	/* avoid some complicated expressions if
 			   your C compiler chokes on them */
 /* #define PYRAMID_BUG */	/* avoid a bug on the Pyramid */
@@ -63,10 +49,7 @@
 
 
 #define SHELL		/* do not delete the '!' command */
-
-#ifdef BSD
 #define	SUSPEND		/* let ^Z suspend the game */
-#endif /* BSD */
 #endif /* UNIX */
 
 #ifdef CHDIR
diff --git a/games/hack/hack.h b/games/hack/hack.h
index 27cd816..df9f582 100644
--- a/games/hack/hack.h
+++ b/games/hack/hack.h
@@ -12,10 +12,9 @@
 #include <string.h>
 #include <unistd.h>
 
-#ifndef BSD
+/* FIXME */
 #define	index	strchr
 #define	rindex	strrchr
-#endif /* BSD */
 
 #include	"def.objclass.h"
 
diff --git a/games/hack/hack.ioctl.c b/games/hack/hack.ioctl.c
index e63465c..7c9aa90 100644
--- a/games/hack/hack.ioctl.c
+++ b/games/hack/hack.ioctl.c
@@ -7,36 +7,22 @@
    systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
    define the same constants, and the C preprocessor complains. */
 #include "hack.h"
-#ifdef BSD
-#include	<sgtty.h>
-struct ltchars ltchars, ltchars0;
-#else
-#include	<termio.h>	/* also includes part of <sgtty.h> */
-struct termio termio;
-#endif /* BSD */
+#include <termios.h>
+struct termios termio;
 
 void
 getioctls(void)
 {
-#ifdef BSD
-	ioctl(fileno(stdin), (int) TIOCGLTC, (char *) &ltchars);
-	ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
-#else
-	ioctl(fileno(stdin), (int) TCGETA, &termio);
-#endif /* BSD */
+	tcgetattr(fileno(stdin), &termio);
 }
 
 void
 setioctls(void)
 {
-#ifdef BSD
-	ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars);
-#else
-	ioctl(fileno(stdin), (int) TCSETA, &termio);
-#endif /* BSD */
+	tcsetattr(fileno(stdin), TCSANOW, &termio);
 }
 
-#ifdef SUSPEND		/* implies BSD */
+#ifdef SUSPEND
 #include	<signal.h>
 int
 dosuspend(void)
diff --git a/games/hack/hack.pager.c b/games/hack/hack.pager.c
index bb0eccb..b478bbd 100644
--- a/games/hack/hack.pager.c
+++ b/games/hack/hack.pager.c
@@ -370,12 +370,7 @@ union wait {		/* used only for the cast  (union wait *) 0  */
 };
 
 #else
-
-#ifdef BSD
 #include	<sys/wait.h>
-#else
-#include	<wait.h>
-#endif /* BSD */
 #endif /* NOWAITINCLUDE */
 
 bool
diff --git a/games/hack/hack.termcap.c b/games/hack/hack.termcap.c
index ca06296..baf06a5 100644
--- a/games/hack/hack.termcap.c
+++ b/games/hack/hack.termcap.c
@@ -38,7 +38,8 @@ startup(void)
 		flags.nonull = 1;
 	if((pc = tgetstr(__DECONST(char *, "pc"), &tbufptr)))
 		tcPC = *pc;
-	if(!(tcBC = tgetstr(__DECONST(char *, "bc"), &tbufptr))) {
+	if(!(tcBC = tgetstr(__DECONST(char *, "bc"), &tbufptr))
+	    &&!(tcBC = tgetstr(__DECONST(char *, "le"), &tbufptr))) {
 		if(!tgetflag(__DECONST(char *, "bs")))
 			error("Terminal must backspace.");
 		tcBC = tbufptr;
diff --git a/games/hack/hack.tty.c b/games/hack/hack.tty.c
index a1ced1e..163f77a 100644
--- a/games/hack/hack.tty.c
+++ b/games/hack/hack.tty.c
@@ -40,64 +40,19 @@
 /* With thanks to the people who sent code for SYSV - hpscdi!jon,
    arnold@ucsf-cgl, wcs@bo95b, cbcephus!pds and others. */
 
-#include	"hack.h"
-
-/*
- * The distinctions here are not BSD - rest but rather USG - rest, as
- * BSD still has the old sgttyb structure, but SYSV has termio. Thus:
- */
-#ifdef BSD
-#define	V7
-#else
-#define USG
-#endif /* BSD */
+#include <termios.h>
+#include "hack.h"
 
 /*
  * Some systems may have getchar() return EOF for various reasons, and
  * we should not quit before seeing at least NR_OF_EOFS consecutive EOFs.
+ * FIXME: is this still valid nowadays?
  */
-#ifndef BSD
 #define	NR_OF_EOFS	20
-#endif /* BSD */
-
-
-#ifdef USG
-
-#include	<termio.h>
-#define termstruct	termio
-#define kill_sym	c_cc[VKILL]
-#define erase_sym	c_cc[VERASE]
-#define EXTABS		TAB3
-#define tabflgs		c_oflag
-#define echoflgs	c_lflag
-#define cbrkflgs	c_lflag
-#define CBRKMASK	ICANON
-#define CBRKON		! /* reverse condition */
-#define OSPEED(x)	((x).c_cflag & CBAUD)
-#define GTTY(x)		(ioctl(0, TCGETA, x))
-#define STTY(x)		(ioctl(0, TCSETA, x))	/* TCSETAF? TCSETAW? */
-
-#else	/* V7 */
-
-#include	<sgtty.h>
-#define termstruct	sgttyb
-#define	kill_sym	sg_kill
-#define	erase_sym	sg_erase
-#define EXTABS		XTABS
-#define tabflgs		sg_flags
-#define echoflgs	sg_flags
-#define cbrkflgs	sg_flags
-#define CBRKMASK	CBREAK
-#define CBRKON		/* empty */
-#define OSPEED(x)	(x).sg_ospeed
-#define GTTY(x)		(ioctl(0, TIOCGETP, x))
-#define STTY(x)		(ioctl(0, TIOCSETP, x))
-
-#endif /* USG */
 
 static char erase_char, kill_char;
 static boolean settty_needed = FALSE;
-struct termstruct inittyb, curttyb;
+struct termios inittyb, curttyb;
 
 static void	setctty(void);
 
@@ -109,16 +64,16 @@ static void	setctty(void);
 void
 gettty(void)
 {
-	if(GTTY(&inittyb) < 0)
+	if(tcgetattr(fileno(stdin),&inittyb) < 0)
 		perror("Hack (gettty)");
 	curttyb = inittyb;
-	erase_char = inittyb.erase_sym;
-	kill_char = inittyb.kill_sym;
+	erase_char = inittyb.c_cc[VERASE];
+	kill_char = inittyb.c_cc[VKILL];
 	getioctls();
 
 	/* do not expand tabs - they might be needed inside a cm sequence */
-	if(curttyb.tabflgs & EXTABS) {
-		curttyb.tabflgs &= ~EXTABS;
+	if(curttyb.c_oflag & OXTABS) {
+		curttyb.c_oflag &= ~OXTABS;
 		setctty();
 	}
 	settty_needed = TRUE;
@@ -132,17 +87,17 @@ settty(const char *s)
 	end_screen();
 	if(s) printf("%s", s);
 	fflush(stdout);
-	if(STTY(&inittyb) < 0)
+	if(tcsetattr(fileno(stdin),TCSANOW,&inittyb) < 0)
 		perror("Hack (settty)");
-	flags.echo = (inittyb.echoflgs & ECHO) ? ON : OFF;
-	flags.cbreak = (CBRKON(inittyb.cbrkflgs & CBRKMASK)) ? ON : OFF;
+	flags.echo = (inittyb.c_lflag & ECHO) ? ON : OFF;
+	flags.cbreak = (!(inittyb.c_lflag & ICANON)) ? ON : OFF;
 	setioctls();
 }
 
 static void
 setctty(void)
 {
-	if(STTY(&curttyb) < 0)
+	if(tcsetattr(fileno(stdin),TCSANOW,&curttyb) < 0)
 		perror("Hack (setctty)");
 }
 
@@ -150,23 +105,21 @@ void
 setftty(void)
 {
 int ef = 0;			/* desired value of flags & ECHO */
-int cf = CBRKON(CBRKMASK);	/* desired value of flags & CBREAK */
+int cf = !(ICANON);		/* desired value of flags & CBREAK */
 int change = 0;
 	flags.cbreak = ON;
 	flags.echo = OFF;
 	/* Should use (ECHO|CRMOD) here instead of ECHO */
-	if((curttyb.echoflgs & ECHO) != ef){
-		curttyb.echoflgs &= ~ECHO;
+	if((curttyb.c_lflag & ECHO) != ef){
+		curttyb.c_lflag &= ~ECHO;
 		change++;
 	}
-	if((curttyb.cbrkflgs & CBRKMASK) != cf){
-		curttyb.cbrkflgs &= ~CBRKMASK;
-		curttyb.cbrkflgs |= cf;
-#ifdef USG
+	if((curttyb.c_lflag & ICANON) != cf){
+		curttyb.c_lflag &= ~ICANON;
+		curttyb.c_lflag |= cf;
 		/* be satisfied with one character; no timeout */
 		curttyb.c_cc[VMIN] = 1;		/* was VEOF */
 		curttyb.c_cc[VTIME] = 0;	/* was VEOL */
-#endif /* USG */
 		change++;
 	}
 	if(change){