flush_before_seek 445 io.c static rb_io_t *flush_before_seek(rb_io_t *fptr); flush_before_seek 580 io.c flush_before_seek(fptr); flush_before_seek 784 io.c #define io_seek(fptr, ofs, whence) (errno = 0, lseek(flush_before_seek(fptr)->fd, (ofs), (whence))) flush_before_seek 785 io.c #define io_tell(fptr) lseek(flush_before_seek(fptr)->fd, 0, SEEK_CUR)