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                59 user/usertests.c     int fds[2];
fds                60 user/usertests.c     if(pipe(fds) < 0){
fds                64 user/usertests.c     n = write(fds[1], (char*)addr, 8192);
fds                69 user/usertests.c     close(fds[0]);
fds                70 user/usertests.c     close(fds[1]);
fds                96 user/usertests.c     int fds[2];
fds                97 user/usertests.c     if(pipe(fds) < 0){
fds               101 user/usertests.c     n = write(fds[1], "x", 1);
fds               106 user/usertests.c     n = read(fds[0], (void*)addr, 8192);
fds               111 user/usertests.c     close(fds[0]);
fds               112 user/usertests.c     close(fds[1]);
fds               738 user/usertests.c   int fds[2], pid, xstatus;
fds               742 user/usertests.c   if(pipe(fds) != 0){
fds               749 user/usertests.c     close(fds[0]);
fds               753 user/usertests.c       if(write(fds[1], buf, SZ) != SZ){
fds               760 user/usertests.c     close(fds[1]);
fds               763 user/usertests.c     while((n = read(fds[0], buf, cc)) > 0){
fds               779 user/usertests.c     close(fds[0]);
fds              2175 user/usertests.c   int fds[2];
fds              2181 user/usertests.c   if(pipe(fds) != 0){
fds              2189 user/usertests.c       write(fds[1], "x", 1);
fds              2194 user/usertests.c       read(fds[0], &scratch, 1);
fds              2990 user/usertests.c   int fds[2];
fds              2992 user/usertests.c   if(pipe(fds) < 0){
fds              3005 user/usertests.c     close(fds[0]);
fds              3017 user/usertests.c       if(write(fds[1], "x", 1) != 1){
fds              3026 user/usertests.c   close(fds[1]);
fds              3031 user/usertests.c     int cc = read(fds[0], &c, 1);
fds              3041 user/usertests.c   close(fds[0]);