/*  init.c  --  divide The Book into numbered lines  */

#include <stdlib.h>
#include "ios.h"   /* using the input/output service module io.c */

#define LINE_LENGTH 50

void  main ( int argc,  char * argv [] )
{   int k, LineCount, flag;
    char Buffer [LINE_LENGTH];
    FILE * infile;
    FILE * outfile;
 if ( argc < 3 )  err_command_line ( "init infile outfile" );
 infile = open_input_file ( argv [1] );
 outfile = open_output_file ( argv [2] );

 flag = 1;
 LineCount = 0;
 do {
   for ( k=0; k<LINE_LENGTH; k++ ) {
     Buffer [k] = (char) getc ( infile );
     if ( ferror ( infile ) ) { printf("input file error"); return; }
     if ( feof ( infile ) )  { flag = 0;  break; }
   }
   fprintf ( outfile, "[ " );
   while ( --k >= 0 ) {
     fprintf ( outfile, "%c", Buffer [k] );
     if ( k % 10 == 0 )  fprintf ( outfile, " " );
   }
   fprintf ( outfile, "  <-- %6ld ]\n", 1 + LINE_LENGTH * (long)LineCount );
   ++LineCount;
 } while ( flag );
 exit (0);
}

/*  end of init.c  */