Receives bytes from a socket and stores the sending peer's address.
#include <prio.h> PRInt32 PR_RecvFrom( PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags, PRNetAddr *addr, PRIntervalTime timeout);
The function has the following parameters:
- A pointer to a
PRFileDescobject representing a socket.
- A pointer to a buffer containing the data received.
- The size of
- This obsolete parameter must always be zero.
- A pointer to the
PRNetAddrobject that will be filled in with the address of the sending peer on return.
- A value of type
PRIntervalTimespecifying the time limit for completion of the receive operation.
The function returns one of the following values:
- A positive number indicates the number of bytes actually received.
- The value 0 means the network connection is closed.
- The value -1 indicates a failure. The reason for the failure can be obtained by calling
PR_RecvFrom receives up to a specified number of bytes from socket, which may or may not be connected. The operation blocks until one or more bytes are transferred, a timeout has occurred, or there is an error. No more than
amount bytes will be transferred.
PR_RecvFrom is usually used with a UDP socket.