diff -Nuar a/nsswitch/nsstest.c b/nsswitch/nsstest.c
--- a/nsswitch/nsstest.c	2019-12-06 12:46:56.000000000 +0300
+++ b/nsswitch/nsstest.c	2020-11-03 13:50:40.318374062 +0300
@@ -137,7 +137,7 @@
 	return &pwd;
 }
 
-static void nss_setpwent(void)
+static void nss_setpwent2(void)
 {
 	NSS_STATUS (*_nss_setpwent)(void) =
 		(NSS_STATUS(*)(void))find_fn("setpwent");
@@ -146,13 +146,13 @@
 	if (!_nss_setpwent)
 		return;
 
-	status = _nss_setpwent();
+	status = _nss_setpwent2();
 	if (status != NSS_STATUS_SUCCESS) {
 		report_nss_error("setpwent", status);
 	}
 }
 
-static void nss_endpwent(void)
+static void nss_endpwent2(void)
 {
 	NSS_STATUS (*_nss_endpwent)(void) =
 		(NSS_STATUS (*)(void))find_fn("endpwent");
@@ -161,7 +161,7 @@
 	if (!_nss_endpwent)
 		return;
 
-	status = _nss_endpwent();
+	status = _nss_endpwent2();
 	if (status != NSS_STATUS_SUCCESS) {
 		report_nss_error("endpwent", status);
 	}
@@ -290,7 +290,7 @@
 	return &grp;
 }
 
-static void nss_setgrent(void)
+static void nss_setgrent2(void)
 {
 	NSS_STATUS (*_nss_setgrent)(void) =
 		(NSS_STATUS (*)(void))find_fn("setgrent");
@@ -299,13 +299,13 @@
 	if (!_nss_setgrent)
 		return;
 
-	status = _nss_setgrent();
+	status = _nss_setgrent2();
 	if (status != NSS_STATUS_SUCCESS) {
 		report_nss_error("setgrent", status);
 	}
 }
 
-static void nss_endgrent(void)
+static void nss_endgrent2(void)
 {
 	NSS_STATUS (*_nss_endgrent)(void) =
 		(NSS_STATUS (*)(void))find_fn("endgrent");
@@ -314,7 +314,7 @@
 	if (!_nss_endgrent)
 		return;
 
-	status = _nss_endgrent();
+	status = _nss_endgrent2();
 	if (status != NSS_STATUS_SUCCESS) {
 		report_nss_error("endgrent", status);
 	}
@@ -402,7 +402,7 @@
 {
 	struct passwd *pwd;
 
-	nss_setpwent();
+	nss_setpwent2();
 	/* loop over all users */
 	while ((pwd = nss_getpwent())) {
 		printf("Testing user %s\n", pwd->pw_name);
@@ -424,14 +424,14 @@
 		printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
 		printf("\n");
 	}
-	nss_endpwent();
+	nss_endpwent2();
 }
 
 static void nss_test_groups(void)
 {
 	struct group *grp;
 
-	nss_setgrent();
+	nss_setgrent2();
 	/* loop over all groups */
 	while ((grp = nss_getgrent())) {
 		printf("Testing group %s\n", grp->gr_name);
@@ -452,7 +452,7 @@
 		printf("getgrgid: "); print_group(grp);
 		printf("\n");
 	}
-	nss_endgrent();
+	nss_endgrent2();
 }
 
 static void nss_test_errors(void)