#include int __toread(FILE *f) { f->mode |= f->mode-1; if (f->wpos > f->buf) f->write(f, 0, 0); f->wpos = f->wbase = f->wend = 0; if (f->flags & (F_EOF|F_NORD)) { if (f->flags & F_NORD) f->flags |= F_ERR; return EOF; } f->rpos = f->rend = f->buf; return 0; } static const int dummy = 0; weak_alias(dummy, __towrite_used); void __stdio_exit(void); void __seek_on_exit() { if (!__towrite_used) __stdio_exit(); }