select-0.4: src/System/Posix/IO/Select/cbits.h
#pragma once #include <sys/select.h> #include <sys/time.h> void subtract(struct timespec* result, const struct timespec* x, const struct timespec* y); int xselect(int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, struct timeval* timeout);