gethostbyname.3: Add some detail for NO_DATA

Text consistent with POSIX and FreeBSD's gethostbyname() man page.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/gethostbyname.3 b/man3/gethostbyname.3
index 5252231f174ead702307d1a3d803a6939fd130cc..de22cb089becfac9f3d7dc537359cd836235d3ef 100644 (file)
--- a/man3/gethostbyname.3
+++ b/man3/gethostbyname.3
@@ -297,6 +297,8 @@ The specified host is unknown.
 .TP
 .BR NO_DATA
 The requested name is valid but does not have an IP address.
+Another type of request to the name server for this domain
+may return an answer.
 The constant
 .BR NO_ADDRESS
 is a synonym for