D24530.diff
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	Index: head/lib/libc/sys/send.2
	===================================================================
	--- head/lib/libc/sys/send.2
	+++ head/lib/libc/sys/send.2
	@@ -28,7 +28,7 @@
	.\" From: @(#)send.2 8.2 (Berkeley) 2/21/94
	.\" $FreeBSD$
	.\"
	-.Dd January 4, 2019
	+.Dd April 27, 2020
	.Dt SEND 2
	.Os
	.Sh NAME
	@@ -69,18 +69,35 @@
	function
	may be used only when the socket is in a
	.Em connected
	-state, while
	+state.
	+The functions
	.Fn sendto ,
	.Fn sendmsg
	and
	.Fn sendmmsg
	-may be used at any time.
	+may be used at any time if the socket is connectionless-mode.
	+If the socket is connection-mode, the protocol
	+must support implied connect (currently
	+.Xr tcp 4
	+is the only protocol with support) or the socket must be in a
	+connected state before use.
	.Pp
	The address of the target is given by
	.Fa to
	with
	.Fa tolen
	-specifying its size.
	+specifying its size, or the equivalent
	+.Fa msg_name
	+and
	+.Fa msg_namelen
	+in
	+.Fa struct msghdr .
	+If the socket is in a connected state, the target address passed to
	+.Fn sendto ,
	+.Fn sendmsg
	+or
	+.Fn sendmmsg
	+is ignored.
	The length of the message is given by
	.Fa len .
	If the message is too long to pass atomically through the
	@@ -195,6 +212,8 @@
	The destination address is a broadcast address, and
	.Dv SO_BROADCAST
	has not been set on the socket.
	+.It Bq Er ENOTCONN
	+The socket is connection-mode but is not connected.
	.It Bq Er ENOTSOCK
	The argument
	.Fa s
	@@ -242,6 +261,7 @@
	is not connected.
	.El
	.Sh SEE ALSO
	+.Xr connect 2 ,
	.Xr fcntl 2 ,
	.Xr getsockopt 2 ,
	.Xr recv 2 ,