MVI-ADMNET
♦
'C' Programmable
WATTCP API Functions
Ethernet Module
Page 54 of 90
ProSoft Technology, Inc.
December 13, 2006
tcp_open_fast
Syntax:
int tcp_open_fast( tcp_Socket *sk, word lPort, longword ina, word port,
dataHandler_t datahandler );
Parameters:
sk
Pointer to the socket that has been initialized.
lPort
Local port number.
ina
Host IP Address.
port
Host port number.
datahandler
Data Handler. Not used in this version. Use NULL for this parameter.
Description:
This function opens a TCP socket connection to a host machine using
parameters passed to it. For this function, there is no wait to resolve the IP
address.
IPort
is an option parameter. Most of the time,
IPort
can be set to 0. The
API will find an available port number for the socket.
ina
is a host IP address
passed as a longword. Function resolve can be used to convert an IP address
into a longword-formatted variable.
Return Value:
Connection cannot be made
>0
Connection is made
Example:
tcp_Socket *socket;
. . .
if(tcp_open_fast(socket, 0, resolve("192.168.0.1"), 5656, NULL))
{
printf("Open Successfully\n");
}
See Also:
resolve
