The marking matches glibc marking.
Signed-off-by: Ma Shimiao <mashimiao.fnst@xxxxxxxxxxxxxx>
---
man3/realpath.3 | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/man3/realpath.3 b/man3/realpath.3
index 6a9d200..0d5ae84 100644
--- a/man3/realpath.3
+++ b/man3/realpath.3
@@ -132,6 +132,18 @@ The named file does not exist.
.TP
.B ENOTDIR
A component of the path prefix is not a directory.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR realpath ()
+T} Thread safety MT-Safe
+.TE
.SH CONFORMING TO
4.4BSD, POSIX.1-2001.
--
1.9.3
--
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