for details on the interaction of user namespaces and mount namespaces.
.SH RETURN VALUE
On success,
-.IR setns ()
+.BR setns ()
returns 0.
On failure, \-1 is returned and
.I errno
.BR vfork (2),
.BR namespaces (7),
.BR unix (7)
-.SH COLOPHON
-This page is part of release 3.77 of the Linux
-.I man-pages
-project.
-A description of the project,
-information about reporting bugs,
-and the latest version of this page,
-can be found at
-\%http://www.kernel.org/doc/man\-pages/.