diff --git a/contrib/netbsd-tests/lib/libc/c063/t_o_search.c b/contrib/netbsd-tests/lib/libc/c063/t_o_search.c
index 7cefa8bf8822..10e4607ab1a0 100644
--- a/contrib/netbsd-tests/lib/libc/c063/t_o_search.c
+++ b/contrib/netbsd-tests/lib/libc/c063/t_o_search.c
@@ -79,7 +79,7 @@ ATF_TC_BODY(o_search_perm1, tc)
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 	ATF_REQUIRE(close(fd) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) == -1);
 	ATF_REQUIRE(errno == EACCES);
@@ -109,12 +109,12 @@ ATF_TC_BODY(o_search_root_flag1, tc)
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 	ATF_REQUIRE(close(fd) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 	ATF_REQUIRE(close(fd) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 444) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0444) == 0);
 
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 
@@ -141,12 +141,12 @@ ATF_TC_BODY(o_search_unpriv_flag1, tc)
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 	ATF_REQUIRE(close(fd) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 	ATF_REQUIRE(close(fd) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 444) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0444) == 0);
 
 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDWR, 0)) != -1);
 
@@ -173,7 +173,7 @@ ATF_TC_BODY(o_search_perm2, tc)
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == -1);
 	ATF_REQUIRE(errno == EACCES);
@@ -202,11 +202,11 @@ ATF_TC_BODY(o_search_root_flag2, tc)
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 444) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0444) == 0);
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
@@ -232,11 +232,11 @@ ATF_TC_BODY(o_search_unpriv_flag2, tc)
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 644) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0644) == 0);
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);
 
-	ATF_REQUIRE(fchmod(dfd, 444) == 0);
+	ATF_REQUIRE(fchmod(dfd, 0444) == 0);
 
 	ATF_REQUIRE(faccessat(dfd, BASEFILE, W_OK, 0) == 0);