rb_fd_resize     3490 thread.c           rb_fd_resize(n, fds);
rb_fd_resize     3541 thread.c               rb_fd_resize(n - 1, readfds);
rb_fd_resize     3545 thread.c               rb_fd_resize(n - 1, writefds);
rb_fd_resize     3549 thread.c               rb_fd_resize(n - 1, exceptfds);
rb_fd_resize     3756 thread.c       	rb_fd_resize(max - 1, read);
rb_fd_resize     3759 thread.c       	rb_fd_resize(max - 1, write);
rb_fd_resize     3762 thread.c       	rb_fd_resize(max - 1, except);
rb_fd_resize      658 thread_win32.c         rb_fd_resize(n - 1, readfds);
rb_fd_resize      662 thread_win32.c         rb_fd_resize(n - 1, writefds);
rb_fd_resize      666 thread_win32.c         rb_fd_resize(n - 1, exceptfds);