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                70 user/usertests.c     close(fds[0]);
fds                71 user/usertests.c     close(fds[1]);
fds                98 user/usertests.c     int fds[2];
fds                99 user/usertests.c     if(pipe(fds) < 0){
fds               103 user/usertests.c     n = write(fds[1], "x", 1);
fds               108 user/usertests.c     n = read(fds[0], (void*)addr, 8192);
fds               113 user/usertests.c     close(fds[0]);
fds               114 user/usertests.c     close(fds[1]);
fds               741 user/usertests.c   int fds[2], pid, xstatus;
fds               745 user/usertests.c   if(pipe(fds) != 0){
fds               752 user/usertests.c     close(fds[0]);
fds               756 user/usertests.c       if(write(fds[1], buf, SZ) != SZ){
fds               763 user/usertests.c     close(fds[1]);
fds               766 user/usertests.c     while((n = read(fds[0], buf, cc)) > 0){
fds               782 user/usertests.c     close(fds[0]);
fds              2178 user/usertests.c   int fds[2];
fds              2184 user/usertests.c   if(pipe(fds) != 0){
fds              2192 user/usertests.c       write(fds[1], "x", 1);
fds              2197 user/usertests.c       read(fds[0], &scratch, 1);
fds              3007 user/usertests.c   int fds[2];
fds              3009 user/usertests.c   if(pipe(fds) < 0){
fds              3022 user/usertests.c     close(fds[0]);
fds              3034 user/usertests.c       if(write(fds[1], "x", 1) != 1){
fds              3043 user/usertests.c   close(fds[1]);
fds              3048 user/usertests.c     int cc = read(fds[0], &c, 1);
fds              3058 user/usertests.c   close(fds[0]);