D42204.id128761.diff
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	Index: lib/libc/stdlib/ptsname.3
	===================================================================
	--- lib/libc/stdlib/ptsname.3
	+++ lib/libc/stdlib/ptsname.3
	@@ -104,7 +104,20 @@
	for the master device specified with
	.Fa fildes .
	.Sh RETURN VALUES
	-.Rv -std grantpt ptsname_r unlockpt
	+.Rv -std grantpt unlockpt
	+.Pp
	+The
	+.Fn ptsname_r
	+function returns the value 0 if successful;
	+otherwise a nonzero value is returned and the global variable
	+.Va errno
	+is set to indicate the error.
	+Note:
	+.Fn ptsname_r
	+was previously documented as returning -1 on error.
	+In the future it will be changed to return an error number, for POSIX
	+compatibility.
	+Therefore, callers should not check for -1.
	.Pp
	The
	.Fn ptsname