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ulawtolin.c
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C/C++ Source or Header
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1990-01-10
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977b
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49 lines
/* ulawtolin.c - convert ulaw to linear
**
** Copyright (C) 1989 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation. This software is provided "as is" without express or
** implied warranty.
*/
#include <stdio.h>
#include "libst.h"
main( argc, argv )
int argc;
char *argv[];
{
FILE *f;
double atof();
int c, lc;
if ( argc == 1 )
f = stdin;
else if ( argc == 2 )
{
f = fopen( argv[1], "r" );
if ( f == NULL )
{
perror( argv[1] );
exit( 1 );
}
}
else
{
fprintf( stderr, "usage: %s [<file>]\n", argv[0] );
exit( 1 );
}
while ( (c = getc( f )) != EOF )
{
lc = st_ulaw_to_linear( c );
printf( "%d\n", lc );
}
exit( 0 );
}