Sun Java System Web Server 7.0 Update 3 NSAPI Developer's Guide

Parameters

FilterLayer *layer is the filter layer in which the filter is installed.

void *buf is the buffer in which data should be placed.

int amount is the maximum number of bytes that should be placed in the buffer.

int timeout is the number of seconds to allow the read operation to return. The purpose of timeout is to limit the amount of time devoted to waiting until some data arrives, not to return because not enough bytes were read in the given time.