File list (Check if you may need any files):
Project
.......\afftfilter.c
.......\dft.c
.......\FFT EXAM.TXT
.......\fft example.c
.......\fft.c
.......\filter example.c
.......\filter.c
.......\FILTER.TXT
.......\filterc example.c
.......\filterc.c
.......\FILTERC.TXT
.......\filterds2008.c
.......\filterds2008butterworth.c
.......\filterp example.c
.......\filterp.c
.......\FILTERP.TXT
.......\filtery example.c
.......\filtery.c
.......\FILTERY.TXT
.......\gain example.c
.......\gain example2.c
.......\gain.c
.......\GAIN.TXT
.......\GAIN2.TXT
.......\gainc example.c
.......\gainc.c
.......\GAINC.TXT
.......\iirbcf example.c
.......\iirbcf.c
.......\resp example.c
.......\resp.c
.......\RESP.TXT
.......\TCCONFIG.TC
.......\unwrap.C
.......\writefile.c