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diff --git a/include/unistd.h b/include/unistd.h
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -518,6 +518,7 @@
int feature_present(const char *);
int fchroot(int);
char *fflagstostr(u_long);
+ssize_t freadlink(int fd, char *buf, size_t bufsize);
int getdomainname(char *, int);
int getentropy(void *, size_t);
int getgrouplist(const char *, gid_t, gid_t *, int *);
diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc
--- a/lib/libc/gen/Makefile.inc
+++ b/lib/libc/gen/Makefile.inc
@@ -56,6 +56,7 @@
fmtmsg.c \
fnmatch.c \
fpclassify.c \
+ freadlink.c \
frexp.c \
fstab.c \
ftok.c \
diff --git a/lib/libc/gen/Symbol.map b/lib/libc/gen/Symbol.map
--- a/lib/libc/gen/Symbol.map
+++ b/lib/libc/gen/Symbol.map
@@ -475,6 +475,7 @@
};
FBSD_1.9 {
+ freadlink;
posix_spawn_file_actions_addchdir;
posix_spawn_file_actions_addfchdir;
posix_spawnattr_getexecfd_np;
diff --git a/lib/libc/gen/freadlink.c b/lib/libc/gen/freadlink.c
new file mode 100644
--- /dev/null
+++ b/lib/libc/gen/freadlink.c
@@ -0,0 +1,16 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 2026 The FreeBSD Foundation
+ *
+ * This software were developed by Konstantin Belousov <kib@FreeBSD.org>
+ * under sponsorship from the FreeBSD Foundation.
+ */
+
+#include <unistd.h>
+
+ssize_t
+freadlink(int fd, char *buf, size_t bufsize)
+{
+ return (readlinkat(fd, "", buf, bufsize));
+}
diff --git a/sys/sys/fcntl.h b/sys/sys/fcntl.h
--- a/sys/sys/fcntl.h
+++ b/sys/sys/fcntl.h
@@ -142,6 +142,13 @@
#define O_EMPTY_PATH 0x02000000
#define O_NAMEDATTR 0x04000000 /* NFSv4 named attributes */
#define O_XATTR O_NAMEDATTR /* Solaris compatibility */
+
+/*
+ * Emulate MacOSX compatibility flag without consuming a flags bit.
+ * It is not fully correct since reads over regular files opened with
+ * this definition fail.
+ */
+#define O_SYMLINK (O_PATH | O_NOFOLLOW)
#endif
#if __POSIX_VISIBLE >= 202405

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