fsetfd
fsetfd(curproc->p_fd, dmabuf->file, fd);
fsetfd(fdp, tempfp, fd);
fsetfd(fdp, fp, devnull);
fsetfd(fdp, NULL, devnull);
fsetfd(kq->kq_fdp, fp, fd);
fsetfd(td->td_lwp->lwp_proc->p_fd, fp, fd);
fsetfd(fdp, NULL, mqd);
fsetfd(fdp, NULL, mqd);
fsetfd(fdp, fp, mqd);
fsetfd(fdp, NULL, fd1);
fsetfd(fdp, rf, fd1);
fsetfd(fdp, wf, fd2);
fsetfd(fdp, NULL, fd);
fsetfd(fdp, fp, fd);
fsetfd(fdp, NULL, fd);
fsetfd(fdp, nfp, fd);
fsetfd(fdp, fp1, fd1);
fsetfd(fdp, fp2, fd2);
fsetfd(fdp, NULL, fd2);
fsetfd(fdp, NULL, fd1);
fsetfd(fdp, fx, fd);
fsetfd(fdp, NULL, fd);
fsetfd(fdp, fp, fd);
fsetfd(fdp, NULL, indx);
fsetfd(fdp, fp, indx);
fsetfd(fdp, NULL, indx);
fsetfd(fdp, fp, indx);
fsetfd(fdp, NULL, indx);
void fsetfd (struct filedesc *fdp, struct file *fp, int fd);