outfd 701 user/testbin/psort/psort.c int infds[numprocs], outfd; outfd 708 user/testbin/psort/psort.c outfd = doopen(outname, O_WRONLY|O_CREAT|O_TRUNC, 0664); outfd 764 user/testbin/psort/psort.c dowrite(outname, outfd, workspace, outfd 771 user/testbin/psort/psort.c dowrite(outname, outfd, workspace, worknum * sizeof(int)); outfd 772 user/testbin/psort/psort.c doclose(outname, outfd);