AUDIO_GETENC
ioctl(fd, AUDIO_GETENC, &tmpenc) == 0;
ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0;
case AUDIO_GETENC:
r = IOCTL(fd, AUDIO_GETENC, &ae, "index=%d", idx);
r = IOCTL(fd, AUDIO_GETENC, &ae, "index=%d", ae.index);
r = IOCTL(fd, AUDIO_GETENC, &e, "index=-1");
if (ioctl(fd, AUDIO_GETENC, &enc) < 0)
rc = ioctl(da.afd, AUDIO_GETENC, &ae);
rc = ioctl(da.afd, AUDIO_GETENC, &ae);