bb                225 user/grind.c         int aa[2], bb[2];
bb                230 user/grind.c         if (pipe(bb) < 0) {
bb                236 user/grind.c           close(bb[0]);
bb                237 user/grind.c           close(bb[1]);
bb                256 user/grind.c           close(bb[0]);
bb                264 user/grind.c           if (dup(bb[1]) != 1) {
bb                268 user/grind.c           close(bb[1]);
bb                279 user/grind.c         close(bb[1]);
bb                281 user/grind.c         read(bb[0], buf + 0, 1);
bb                282 user/grind.c         read(bb[0], buf + 1, 1);
bb                283 user/grind.c         read(bb[0], buf + 2, 1);
bb                284 user/grind.c         close(bb[0]);