diff -urN glibc-2.2.3.org/nis/Makefile glibc-2.2.3/nis/Makefile
--- glibc-2.2.3.org/nis/Makefile	Tue May  8 23:50:34 2001
+++ glibc-2.2.3/nis/Makefile	Tue May  8 23:50:45 2001
@@ -55,7 +55,7 @@
 		  nis_clone_res
 
 libnss_compat-routines	:= $(addprefix compat-,grp pwd spwd initgroups) \
-			   nisplus-parser nss-nis
+			   nisplus-parser nss-nis nss-nisplus
 libnss_compat-inhibit-o	= $(filter-out .os,$(object-suffixes))
 
 libnss_nis-routines	:= $(addprefix nis-,$(databases)) nis-initgroups \
diff -urN glibc-2.2.3.org/nis/nss-nis.h glibc-2.2.3/nis/nss-nis.h
--- glibc-2.2.3.org/nis/nss-nis.h	Tue May  8 23:50:34 2001
+++ glibc-2.2.3/nis/nss-nis.h	Tue May  8 23:50:45 2001
@@ -31,9 +31,9 @@
 static inline enum nss_status
 yperr2nss (int errval)
 {
-  if ((unsigned int) errval > __yperr2nss_count)
+  if ((unsigned int) errval >= __yperr2nss_count)
     return NSS_STATUS_UNAVAIL;
-  return __yperr2nss_tab[errval];
+  return __yperr2nss_tab[(unsigned int) errval];
 }
 
 #endif /* nis/nss-nis.h */
diff -urN glibc-2.2.3.org/nis/nss-nisplus.h glibc-2.2.3/nis/nss-nisplus.h
--- glibc-2.2.3.org/nis/nss-nisplus.h	Tue May  8 23:50:34 2001
+++ glibc-2.2.3/nis/nss-nisplus.h	Tue May  8 23:50:45 2001
@@ -32,9 +32,9 @@
 static inline enum nss_status
 niserr2nss (int errval)
 {
-  if ((unsigned int) errval > __niserr2nss_count)
+  if ((unsigned int) errval >= __niserr2nss_count)
     return NSS_STATUS_UNAVAIL;
-  return __niserr2nss_tab[errval];
+  return __niserr2nss_tab[(unsigned int) errval];
 }
 
 #endif /* nis/nss-nisplus.h */