uapp/midiecho/midiecho.c

19     int dest_fd = -1;
28     while ((de = readdir(dir)) != NULL && (src_fd == -1 || dest_fd == -1)) {
52             if (dest_fd == -1) {
53                 dest_fd = fd;
64         close(dest_fd);
67     if (dest_fd == -1) {
73     *out_dest_fd = dest_fd;
79     int src_fd = -1, dest_fd = -1;
80     if (!open_devices(&src_fd, &dest_fd)) {
95         if (write(dest_fd, buffer, length) < 0) break;
99     close(dest_fd);