File list (Check if you may need any files):
EFR
...\c-code
...\......\0653_801.doc
...\......\AGC.C
...\......\AUTOCORR.C
...\......\AZ_LSP.C
...\......\BASICOP2.C
...\......\BASIC_OP.H
...\......\BITS2PRM.C
...\......\C1035PF.C
...\......\CNST.H
...\......\CODEC.H
...\......\CODER.C
...\......\CODER.RSP
...\......\COD_12K2.C
...\......\CONVOLVE.C
...\......\COPY.C
...\......\COUNT.C
...\......\COUNT.H
...\......\D1035PF.C
...\......\DECODER.C
...\......\DECODER.RSP
...\......\DEC_12K2.C
...\......\DEC_LAG6.C
...\......\DTX.C
...\......\DTX.H
...\......\D_GAINS.C
...\......\D_HOMING.C
...\......\D_HOMING.H
...\......\D_PLSF_5.C
...\......\ED_IFACE.C
...\......\ENC_LAG6.C
...\......\E_HOMING.C
...\......\E_HOMING.H
...\......\GAINS_TB.H
...\......\GRID.TAB
...\......\G_CODE.C
...\......\G_PITCH.C
...\......\INTER_6.C
...\......\INT_LPC.C
...\......\INV_SQRT.C
...\......\INV_SQRT.TAB
...\......\LAG_WIND.C
...\......\LAG_WIND.TAB
...\......\LEVINSON.C
...\......\LOG2.C
...\......\LOG2.TAB
...\......\LSP_AZ.C
...\......\LSP_LSF.C
...\......\LSP_LSF.TAB
...\......\MAKEFILE.GCC
...\......\MAKEFILE.HP
...\......\MAKEFILE.PC
...\......\MAKEFILE.SUN
...\......\N_PROC.C
...\......\N_STACK.H
...\......\OPER_32B.C
...\......\OPER_32B.H
...\......\PITCH_F6.C
...\......\PITCH_OL.C
...\......\POW2.C
...\......\POW2.TAB
...\......\PRED_LT6.C
...\......\PREEMPH.C
...\......\PRE_PROC.C
...\......\PRM2BITS.C
...\......\PSTFILT2.C
...\......\Q_GAINS.C
...\......\Q_PLSF_5.C
...\......\Q_PLSF_5.TAB
...\......\README.TXT
...\......\REORDER.C
...\......\RESIDU.C
...\......\SET_ZERO.C
...\......\SIG_PROC.H
...\......\SPCH_DOS.COD
...\......\SPCH_DOS.DEC
...\......\SPCH_DOS.INP
...\......\SPCH_DOS.OUT
...\......\SPCH_UNX.COD
...\......\SPCH_UNX.DEC
...\......\SPCH_UNX.INP
...\......\SPCH_UNX.OUT
...\......\SYN_FILT.C
...\......\TS_DOS.BAT
...\......\TS_UNX.BAT
...\......\TYPEDEF.H
...\......\VAD.C
...\......\VAD.H
...\......\WEIGHT_A.C
...\......\WINDOW2.TAB