typedef __fd_mask fd_mask;
# 102 "/usr/include/sys/select.h" 3
extern int select (int __nfds, fd_set *__restrict __readfds,
                   fd_set *__restrict __writefds,
                   fd_set *__restrict __exceptfds,
                   struct timeval *__restrict __timeout) ;
# 216 "/usr/include/sys/types.h" 2 3