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PR_Send
=======
Sends bytes from a connected socket.
Syntax
------
.. code::
#include <prio.h>
PRInt32 PR_Send(
PRFileDesc *fd,
const void *buf,
PRInt32 amount,
PRIntn flags,
PRIntervalTime timeout);
Parameters
~~~~~~~~~~
The function has the following parameters:
``fd``
A pointer to a :ref:`PRFileDesc` object representing a socket.
``buf``
A pointer to a buffer containing the data to be sent.
``amount``
The size of ``buf`` (in bytes).
``flags``
This obsolete parameter must always be zero.
``timeout``
A value of type :ref:`PRIntervalTime` specifying the time limit for
completion of the receive operation.
Returns
~~~~~~~
The function returns one of the following values:
- A positive number indicates the number of bytes successfully sent. If
the parameter fd is a blocking socket, this number must always equal
amount.
- The value -1 indicates a failure. The reason for the failure can be
obtained by calling :ref:`PR_GetError`.
Description
-----------
:ref:`PR_Send` blocks until all bytes are sent, a timeout occurs, or an
error occurs.
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