#ifndef _SYS_SELECT_H #include /* Now define the internal interfaces. */ extern int __pselect (int __nfds, __fd_set *__readfds, __fd_set *__writefds, __fd_set *__exceptfds, const struct timespec *__timeout, const __sigset_t *__sigmask); extern int __select (int __nfds, __fd_set *__restrict __readfds, __fd_set *__restrict __writefds, __fd_set *__restrict __exceptfds, struct timeval *__restrict __timeout); #endif