[PATCH] man3/getpt.3: Clarify getpt() is a GNU extension

[PATCH] man3/getpt.3: Clarify getpt() is a GNU extension

[Simon Essien]

Move the recommendation to use posix_openpt(3) to a new NOTES section
and clarify that getpt() is glibc-specific. Update VERSIONS to show
glibc availability.

Reported-by: Helge Kreutzmann <debian@helgeth.de>
Signed-off-by: Simon Essien <champbreed1@gmail.com>
---
 man/man3/getpt.3 | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/man/man3/getpt.3 b/man/man3/getpt.3
index 49e024856..de39f87fa 100644
--- a/man/man3/getpt.3
+++ b/man/man3/getpt.3
@@ -58,17 +58,11 @@ T{
 T}	Thread safety	MT-Safe
 .TE
 .SH VERSIONS
-Use
-.BR posix_openpt (3)
-instead.
+Available since glibc 2.1.
 .SH STANDARDS
 GNU.
-.SH HISTORY
-glibc 2.1.
-.SH SEE ALSO
-.BR grantpt (3),
-.BR posix_openpt (3),
-.BR ptsname (3),
-.BR unlockpt (3),
-.BR ptmx (4),
-.BR pty (7)
+.SH NOTES
+.BR getpt ()
+is a glibc-specific extension; use
+.BR posix_openpt (3)
+instead in new programs.
-- 
2.51.0