#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); libc_hidden_proto (__select) #endif