.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
buffer. The variable \fBn\fP points to will receive the number of received
bytes.
-To establish the connection, set \fBCURLOPT_CONNECT_ONLY\fP option before
+To establish the connection, set \fBCURLOPT_CONNECT_ONLY(3)\fP option before
calling \fIcurl_easy_perform(3)\fP. Note that \fIcurl_easy_recv(3)\fP does not
work on connections that were created without this option.
On failure, returns the appropriate error code.
-If there is no data to read, the function returns \fBCURLE_AGAIN\fP. Use
-your operating system facilities to wait until the data is ready, and retry.
+If there is no data to read, the function returns \fBCURLE_AGAIN\fP. Use your
+operating system facilities to wait until the data is ready, and retry.
+
+Reading exactly 0 bytes would indicate a closed connection.
+
+If there's no socket available to use from the previous transfer, this function
+returns CURLE_UNSUPPORTED_PROTOCOL.
.SH EXAMPLE
See \fBsendrecv.c\fP in \fBdocs/examples\fP directory for usage example.
.SH "SEE ALSO"