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