Send data through socket.
Source position: socketsh.inc line 159
function fpsend(  | 
s: cint;  | 
msg: pointer;  | 
len: size_t;  | 
flags: cint  | 
):ssize_t;  | 
fpSend sends Len bytes starting from address Msg to socket S. S must be in a connected state. Options can be passed in Flags.
The function returns the number of bytes sent, or -1 if a detectable error occurred.
Flags can be one of the following:
Errors are reported in SocketError, and include the following:
  | 
Receive data on socket.  |