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Sourcecode: libgsm version File versions  Download package

toast_alaw.c

/*
 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
 * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
 * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
 */

/* $Header: /home/kbs/jutta/src/gsm/gsm-1.0/src/RCS/toast_alaw.c,v 1.2 1996/07/05 17:23:46 jutta Exp $ */

#include    "toast.h"

/*  toast_alaw.c -- manipulate A-law encoded sound.
 */

extern FILE * in, * out;

#define     A2S(x)      (a2s[  (unsigned char )(x)       ])
#define     S2A(x)      (s2a[ ((unsigned short)(x)) >> 4 ])

static unsigned short a2s[] = {

 60032, 60288, 59520, 59776, 61056, 61312, 60544, 60800,
 57984, 58240, 57472, 57728, 59008, 59264, 58496, 58752,
 62784, 62912, 62528, 62656, 63296, 63424, 63040, 63168,
 61760, 61888, 61504, 61632, 62272, 62400, 62016, 62144,
 43520, 44544, 41472, 42496, 47616, 48640, 45568, 46592,
 35328, 36352, 33280, 34304, 39424, 40448, 37376, 38400,
 54528, 55040, 53504, 54016, 56576, 57088, 55552, 56064,
 50432, 50944, 49408, 49920, 52480, 52992, 51456, 51968,
 65192, 65208, 65160, 65176, 65256, 65272, 65224, 65240,
 65064, 65080, 65032, 65048, 65128, 65144, 65096, 65112,
 65448, 65464, 65416, 65432, 65512, 65528, 65480, 65496,
 65320, 65336, 65288, 65304, 65384, 65400, 65352, 65368,
 64160, 64224, 64032, 64096, 64416, 64480, 64288, 64352,
 63648, 63712, 63520, 63584, 63904, 63968, 63776, 63840,
 64848, 64880, 64784, 64816, 64976, 65008, 64912, 64944,
 64592, 64624, 64528, 64560, 64720, 64752, 64656, 64688,
  5504,  5248,  6016,  5760,  4480,  4224,  4992,  4736,
  7552,  7296,  8064,  7808,  6528,  6272,  7040,  6784,
  2752,  2624,  3008,  2880,  2240,  2112,  2496,  2368,
  3776,  3648,  4032,  3904,  3264,  3136,  3520,  3392,
 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
 11008, 10496, 12032, 11520,  8960,  8448,  9984,  9472,
 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
   344,   328,   376,   360,   280,   264,   312,   296,
   472,   456,   504,   488,   408,   392,   440,   424,
    88,    72,   120,   104,    24,     8,    56,    40,
   216,   200,   248,   232,   152,   136,   184,   168,
  1376,  1312,  1504,  1440,  1120,  1056,  1248,  1184,
  1888,  1824,  2016,  1952,  1632,  1568,  1760,  1696,
   688,   656,   752,   720,   560,   528,   624,   592,
   944,   912,  1008,   976,   816,   784,   880,   848

};


static unsigned char  s2a[] = {

      213,212,215,214,209,208,211,210,221,220,223,222,217,216,219,218,
      197,196,199,198,193,192,195,194,205,204,207,206,201,200,203,202,
      245,245,244,244,247,247,246,246,241,241,240,240,243,243,242,242,
      253,253,252,252,255,255,254,254,249,249,248,248,251,251,250,250,
      229,229,229,229,228,228,228,228,231,231,231,231,230,230,230,230,
      225,225,225,225,224,224,224,224,227,227,227,227,226,226,226,226,
      237,237,237,237,236,236,236,236,239,239,239,239,238,238,238,238,
      233,233,233,233,232,232,232,232,235,235,235,235,234,234,234,234,
      149,149,149,149,149,149,149,149,148,148,148,148,148,148,148,148,
      151,151,151,151,151,151,151,151,150,150,150,150,150,150,150,150,
      145,145,145,145,145,145,145,145,144,144,144,144,144,144,144,144,
      147,147,147,147,147,147,147,147,146,146,146,146,146,146,146,146,
      157,157,157,157,157,157,157,157,156,156,156,156,156,156,156,156,
      159,159,159,159,159,159,159,159,158,158,158,158,158,158,158,158,
      153,153,153,153,153,153,153,153,152,152,152,152,152,152,152,152,
      155,155,155,155,155,155,155,155,154,154,154,154,154,154,154,154,
      133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,133,
      132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,132,
      135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,135,
      134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,134,
      129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,129,
      128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,
      131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,131,
      130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,130,
      141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,141,
      140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,140,
      143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,143,
      142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,142,
      137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,137,
      136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,136,
      139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,139,
      138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,138,
      181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,
      181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,181,
      180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,
      180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,180,
      183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,
      183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,183,
      182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,
      182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,182,
      177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,
      177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,177,
      176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,
      176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,176,
      179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,
      179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,
      178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,
      178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,178,
      189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,
      189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,189,
      188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,
      188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,188,
      191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,
      191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,191,
      190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,
      190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,190,
      185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,
      185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,185,
      184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,
      184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,184,
      187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,
      187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,187,
      186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,
      186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,186,
      165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,
      165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,
      165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,
      165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,165,
      164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,
      164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,
      164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,
      164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,164,
      167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,
      167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,
      167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,
      167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,167,
      166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,
      166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,
      166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,
      166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,166,
      161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,
      161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,
      161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,
      161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,161,
      160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
      160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
      160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
      160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,160,
      163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,
      163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,
      163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,
      163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,163,
      162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,
      162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,
      162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,
      162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,162,
      173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,
      173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,
      173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,
      173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,173,
      172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
      172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
      172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
      172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,172,
      175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,
      175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,
      175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,
      175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,175,
      174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,
      174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,
      174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,
      174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,174,
      169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,
      169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,
      169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,
      169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,169,
      168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,
      168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,
      168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,
      168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,168,
      171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
      171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
      171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
      171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,171,
      170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
      170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
      170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
      170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,170,
       42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
       42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
       42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
       42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42,
       43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
       43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
       43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
       43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43,
       40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
       40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
       40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
       40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
       41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
       41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
       41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
       41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
       46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
       46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
       46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
       46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46,
       47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
       47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
       47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
       47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47,
       44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
       44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
       44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
       44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
       45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
       45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
       45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
       45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
       34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
       34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
       34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
       34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
       35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
       35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
       35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
       35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
       32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
       32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
       32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
       32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
       33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
       33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
       33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
       33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
       38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
       38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
       38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
       38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
       39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
       39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
       39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
       39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
       36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
       36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
       36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
       36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
       37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
       37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
       37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
       37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37,
       58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
       58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58, 58,
       59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,
       59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,
       56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
       56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56,
       57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
       57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, 57,
       62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
       62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
       63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
       63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
       60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
       60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
       61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
       61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61, 61,
       50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
       50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
       51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
       51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51,
       48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
       48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
       49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
       49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
       54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
       54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54,
       55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
       55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
       52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
       52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
       53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
       53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
       11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
        8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,
        9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
       14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
       15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
       12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
       13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
        2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
        3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
        1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
        6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
        7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,  7,
        4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
        5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
       26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
       24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25,
       30, 30, 30, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 31, 31, 31,
       28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29,
       18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19,
       16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17,
       22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
       20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21,
      106,106,106,106,107,107,107,107,104,104,104,104,105,105,105,105,
      110,110,110,110,111,111,111,111,108,108,108,108,109,109,109,109,
       98, 98, 98, 98, 99, 99, 99, 99, 96, 96, 96, 96, 97, 97, 97, 97,
      102,102,102,102,103,103,103,103,100,100,100,100,101,101,101,101,
      122,122,123,123,120,120,121,121,126,126,127,127,124,124,125,125,
      114,114,115,115,112,112,113,113,118,118,119,119,116,116,117,117,
       74, 75, 72, 73, 78, 79, 76, 77, 66, 67, 64, 65, 70, 71, 68, 69,
       90, 91, 88, 89, 94, 95, 92, 93, 82, 83, 80, 81, 86, 87, 84, 85
};

int alaw_input P1((buf), gsm_signal * buf) 
{
      int  i, c;

      for (i = 0; i < 160 && (c = fgetc(in)) != EOF; i++) buf[i] = A2S( c );
      if (c == EOF && ferror(in)) return -1;
      return i;
}

int alaw_output P1((buf), gsm_signal * buf) 
{
      int  i;

      for (i = 0; i < 160; i++, buf++)
            if (fputc( S2A( *buf ), out) == EOF) return -1;
      return 0;
}


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