.B MSG_ERRQUEUE
indicates that no data was received but an extended error from the socket
error queue.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
These calls return the number of bytes received, or \-1
if an error occurred.
The return value will be 0 when the
The argument
.I sockfd
does not refer to a socket.
-.SH "CONFORMING TO"
+.SH CONFORMING TO
4.4BSD (these function calls first appeared in 4.2BSD),
POSIX.1-2001.
.LP
.BR recvfrom ()
is shown in
.BR getaddrinfo (3).
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR fcntl (2),
.BR getsockopt (2),
.BR read (2),