Lines Matching defs:dfd
108 static int dfd[2] = { -1, -1 };397 if (pipe(dfd) == -1) {414 (void)close(dfd[1]);417 n = read(dfd[0], &buf, 1);423 (void)close(dfd[0]);471 if (dfd[0] != -1 && dfd[1] != -1) {472 if (write(dfd[1], &buf, 1) != 1)475 close(dfd[1]);476 dfd[0] = dfd[1] = -1;