static void aubio_pitch_do_yinfft (aubio_pitch_t * p, const fvec_t * ibuf, fvec_t * obuf);
static void aubio_pitch_do_specacf (aubio_pitch_t * p, const fvec_t * ibuf, fvec_t * obuf);
-/* conversion functions for frequency conversions */
-smpl_t freqconvbin (smpl_t f, uint_t samplerate, uint_t bufsize);
-smpl_t freqconvmidi (smpl_t f, uint_t samplerate, uint_t bufsize);
-smpl_t freqconvpass (smpl_t f, uint_t samplerate, uint_t bufsize);
+/* internal functions for frequency conversion */
+static smpl_t freqconvbin (smpl_t f, uint_t samplerate, uint_t bufsize);
+static smpl_t freqconvmidi (smpl_t f, uint_t samplerate, uint_t bufsize);
+static smpl_t freqconvpass (smpl_t f, uint_t samplerate, uint_t bufsize);
/* adapter to stack ibuf new samples at the end of buf, and trim `buf` to `bufsize` */
void aubio_pitch_slideblock (aubio_pitch_t * p, const fvec_t * ibuf);