File list (Check if you may need any files):
gsm-1.0-pl12
............\add-test
............\........\add_test.c
............\........\add_test.dta
............\bin
............\ChangeLog
............\COPYRIGHT
............\inc
............\...\config.h
............\...\gsm.h
............\...\gsm.h.orig
............\...\private.h
............\...\proto.h
............\...\toast.h
............\...\unproto.h
............\INSTALL
............\lib
............\MACHINES
............\Makefile
............\man
............\...\bitter.1
............\...\gsm.3
............\...\gsm_explode.3
............\...\gsm_option.3
............\...\gsm_print.3
............\...\toast.1
............\MANIFEST
............\README
............\src
............\...\add.c
............\...\code.c
............\...\debug.c
............\...\decode.c
............\...\gsm_create.c
............\...\gsm_decode.c
............\...\gsm_destroy.c
............\...\gsm_encode.c
............\...\gsm_explode.c
............\...\gsm_implode.c
............\...\gsm_option.c
............\...\gsm_print.c
............\...\long_term.c
............\...\lpc.c
............\...\preprocess.c
............\...\rpe.c
............\...\short_term.c
............\...\table.c
............\...\toast.c
............\...\toast_alaw.c
............\...\toast_audio.c
............\...\toast_lin.c
............\...\toast_ulaw.c
............\tls
............\...\bitter.c
............\...\bitter.dta
............\...\ginger.c
............\...\sour.c
............\...\sour1.dta
............\...\sour2.dta
............\...\sweet.c
............\...\taste.c
............\...\taste.h
............\tst
............\...\cod2lin.c
............\...\cod2txt.c
............\...\gsm2cod.c
............\...\lin2cod.c
............\...\lin2txt.c
............\...\run