ProSoft Technology MVI69-ADMNET - Manual (Page 110)

WATTCP API Functions MVI-ADMNET ♦ 'C' Programmable
Developer's Guide 'C' Programmable Application Development Module with Ethernet
Page 110 of 122 ProSoft Technology, Inc.
February 20, 2013
sock_dataready
Syntax
int sock_dataready( sock_type *skType );
Parameters
skType Current socket that will be used to check if data is ready to be read.
Description
This function is used check if there is data ready to be read.
Return Value
Number of bytes ready to be read or -1 if error occurs.
Example
int in;
sock_type *socket;
. . .
in = sock_dataready(socket);
printf("%d", in);