select function winsock
The select function determines the status of one or more sockets, waiting if necessary, to perform synchronous I/O.
int WSAAPI select(
int nfds,
fd_set *readfds,
fd_set *writefds,
fd_set *exceptfds,
const timeval *timeout
);
Implementation
int select(int nfds, Pointer<fd_set> readfds, Pointer<fd_set> writefds,
Pointer<fd_set> exceptfds, Pointer<timeval> timeout) =>
_select(nfds, readfds, writefds, exceptfds, timeout);