Thank you for your report. The bug seems to be fixed in the ticket below. https://sourceforge.net/p/sp-tk/bugs/94/
Compile error without including stdio.h : Unknown types 'FILE' and 'size_t'
The error was fixed in the git repository. We are very sorry for the delay.
wrapper for SPTK
pysptk is distributed
Voting in pitch command
medfilt is implemented in SPTK4
Fix issue that da command cannot access /dev/dsp