From: Alan Barrett <apb@cequrux.com>

Index: include/ttyent.h
===================================================================
--- include/ttyent.h	3 Feb 2005 04:39:32 -0000	1.13
+++ include/ttyent.h	2 Aug 2005 17:25:48 -0000
@@ -69,6 +69,9 @@
 __BEGIN_DECLS
 struct ttyent *getttyent(void);
 struct ttyent *getttynam(const char *);
+#if defined(_NETBSD_SOURCE)
+int setttyent1(const char *);
+#endif /* defined(_NETBSD_SOURCE) */
 int setttyent(void);
 int endttyent(void);
 __END_DECLS
Index: lib/libc/include/namespace.h
===================================================================
--- lib/libc/include/namespace.h	17 Jul 2005 16:07:36 -0000	1.103
+++ lib/libc/include/namespace.h	2 Aug 2005 17:25:48 -0000
@@ -452,6 +452,7 @@
 #define setservent_r		_setservent_r
 #define setstate		_setstate
 #define setttyent		_setttyent
+#define setttyent1		_setttyent1
 #define settimeofday		_settimeofday
 #define setusershell		_setusershell
 #define shm_open		_shm_open
Index: lib/libc/gen/getttyent.c
===================================================================
--- lib/libc/gen/getttyent.c	14 May 2005 15:43:47 -0000	1.22
+++ lib/libc/gen/getttyent.c	2 Aug 2005 17:25:48 -0000
@@ -54,6 +54,7 @@
 __weak_alias(getttyent,_getttyent)
 __weak_alias(getttynam,_getttynam)
 __weak_alias(setttyent,_setttyent)
+__weak_alias(setttyent1,_setttyent1)
 #endif
 
 static FILE *tf;
@@ -216,18 +217,24 @@
 }
 
 int
-setttyent(void)
+setttyent1(const char *path)
 {
 	lineno = 0;
 	if (tf) {
 		rewind(tf);
 		return 1;
-	} else if ((tf = fopen(_PATH_TTYS, "r")) != NULL)
+	} else if ((tf = fopen(path, "r")) != NULL)
 		return 1;
 	return 0;
 }
 
 int
+setttyent(void)
+{
+	return setttyent1(_PATH_TTYS);
+}
+
+int
 endttyent(void)
 {
 	int rval;
Index: lib/libc/gen/Makefile.inc
===================================================================
--- lib/libc/gen/Makefile.inc	12 Apr 2005 16:27:42 -0000	1.143
+++ lib/libc/gen/Makefile.inc	2 Aug 2005 17:25:48 -0000
@@ -110,7 +110,8 @@
 	getpwent.3 getpwuid.3 getpwent.3 setpwent.3
 MLINKS+=getpwent.3 getpwnam_r.3 getpwent.3 getpwuid_r.3 getpwent.3 getpwent_r.3
 # getpwent.3 setpwfile.3 - deprecated
-MLINKS+=getttyent.3 endttyent.3 getttyent.3 getttynam.3 getttyent.3 setttyent.3
+MLINKS+=getttyent.3 endttyent.3 getttyent.3 getttynam.3 \
+	getttyent.3 setttyent.3 getttyent.3 setttyent1.3
 MLINKS+=getusershell.3 endusershell.3 getusershell.3 setusershell.3
 MLINKS+=glob.3 globfree.3
 MLINKS+=makecontext.3 swapcontext.3