fprecv function

Declaration

function fprecv(s: cint; buf: pointer; len: size_t; flags: cint)
: ssize_t

Description

fpRecv reads at most len bytes from socket S into address buf. The socket must be in a connected state. Flags can be one of the following:

1

Process out-of band data.

4

Bypass routing, use a direct interface.

??

Wait for full request or report an error.

The functions returns the number of bytes actually read from the socket, or -1 if a detectable error occurred.

Errors

Errors are reported in SocketError, and include the following:

ESockEBADF

The socket descriptor is invalid.

ESockENOTCONN

The socket isn't connected.

ESockENOTSOCK

The descriptor is not a socket.

ESockEFAULT

The address is outside your address space.

ESockEMSGSIZE

The message cannot be sent atomically.

ESockEWOULDBLOCK

The requested operation would block the process.

ESockENOBUFS

The system doesn't have enough free buffers available.

See also

• FPSend