ProSoft Technology MVI69-ADMNET - Manual (Page 83)

MVI-ADMNET ♦ 'C' Programmable WATTCP API Functions
'C' Programmable Application Development Module with Ethernet Developer's Guide
ProSoft Technology, Inc. Page 83 of 122
February 20, 2013
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 (page 86)