where to find help file about API calls


2005-04-13 09:40:36 PM
cppbuilder9
Hello all,
Does someone know about a good helpfile which will explain all about API
calls?
like ;
WSAIoctl(sock, SIO_RCVALL, &optval, sizeof(optval), NULL, 0, &dwBytesRet,
NULL, NULL);
What does it do, how to use it .. what to include .. will be nice :)
thanks ..