fds               158 user/grind.c         int fds[2];
fds               159 user/grind.c         if (pipe(fds) < 0) {
fds               167 user/grind.c           if (write(fds[1], "x", 1) != 1)
fds               170 user/grind.c           if (read(fds[0], &c, 1) != 1)
fds               177 user/grind.c         close(fds[0]);
fds               178 user/grind.c         close(fds[1]);
fds                60 user/usertests.c     int fds[2];
fds                61 user/usertests.c     if (pipe(fds) < 0) {
fds                65 user/usertests.c     n = write(fds[1], (char *)addr, 8192);
fds                71 user/usertests.c     close(fds[0]);
fds                72 user/usertests.c     close(fds[1]);
fds                99 user/usertests.c     int fds[2];
fds               100 user/usertests.c     if (pipe(fds) < 0) {
fds               104 user/usertests.c     n = write(fds[1], "x", 1);
fds               109 user/usertests.c     n = read(fds[0], (void *)addr, 8192);
fds               115 user/usertests.c     close(fds[0]);
fds               116 user/usertests.c     close(fds[1]);
fds               748 user/usertests.c   int fds[2], pid, xstatus;
fds               752 user/usertests.c   if (pipe(fds) != 0) {
fds               759 user/usertests.c     close(fds[0]);
fds               763 user/usertests.c       if (write(fds[1], buf, SZ) != SZ) {
fds               770 user/usertests.c     close(fds[1]);
fds               773 user/usertests.c     while ((n = read(fds[0], buf, cc)) > 0) {
fds               789 user/usertests.c     close(fds[0]);
fds              2206 user/usertests.c   int fds[2];
fds              2214 user/usertests.c   if (pipe(fds) != 0) {
fds              2222 user/usertests.c         write(fds[1], "0", 1);
fds              2224 user/usertests.c         write(fds[1], "1", 1);
fds              2230 user/usertests.c       read(fds[0], &scratch, 1);