File list (Check if you may need any files):
Ppp
...\PPP.dsp
...\URT_DEFS.h
...\URT_EXTR.h
...\history.txt
...\inc
...\...\chp_defs.h
...\...\chp_extr.h
...\...\hdlc.h
...\...\lcp_defs.h
...\...\lcp_extr.h
...\...\mdm_defs.h
...\...\mdm_extr.h
...\...\ncp_defs.h
...\...\ncp_extr.h
...\...\nu_ppp.h
...\...\pap_defs.h
...\...\pap_extr.h
...\...\ppp.h
...\...\ppp_defs.h
...\...\ppp_extr.h
...\...\ppp_opts.h
...\relnotes.txt
...\src
...\...\chap.c
...\...\hdlc.c
...\...\lcp.c
...\...\mdm.c
...\...\ncp.c
...\...\pap.c
...\...\ppp.c
...\...\pw_list.c