D7356.id18861.diff
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	Index: lib/libc/gen/basename.3
	===================================================================
	--- lib/libc/gen/basename.3
	+++ lib/libc/gen/basename.3
	@@ -61,8 +61,16 @@
	returns a pointer to internal storage space allocated on the first call
	that will be overwritten
	by subsequent calls.
	+.Pp
	+Other vendor implementations of
	+.Fn basename
	+may store their result in the provided buffer,
	+making it safe to use in multithreaded applications.
	+Future versions of
	+.Fx
	+will follow this approach as well.
	.Fn basename_r
	-is therefore preferred for threaded applications.
	+will then be obsolete.
	.Sh RETURN VALUES
	On successful completion,
	.Fn basename
	Index: lib/libc/gen/dirname.3
	===================================================================
	--- lib/libc/gen/dirname.3
	+++ lib/libc/gen/dirname.3
	@@ -56,10 +56,11 @@
	.Pp
	Other vendor implementations of
	.Fn dirname
	-may modify the contents of the string passed to
	-.Fn dirname ;
	-this should be taken into account when writing code which calls this function
	-if portability is desired.
	+may store their result in the provided buffer,
	+making it safe to use in multithreaded applications.
	+Future versions of
	+.Fx
	+will follow this approach as well.
	.Sh RETURN VALUES
	On successful completion,
	.Fn dirname