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/* isxdigit( int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <ctype.h>
#ifndef REGTEST
#include <locale.h>
int isxdigit( int c )
{
return ( isdigit( c )
|| ( c >= _PDCLIB_lc_ctype.Xdigits_low && c <= _PDCLIB_lc_ctype.Xdigits_high )
|| ( c >= _PDCLIB_lc_ctype.xdigits_low && c <= _PDCLIB_lc_ctype.xdigits_high ) );
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
TESTCASE( isxdigit( '0' ) );
TESTCASE( isxdigit( '9' ) );
TESTCASE( isxdigit( 'a' ) );
TESTCASE( isxdigit( 'f' ) );
TESTCASE( ! isxdigit( 'g' ) );
TESTCASE( isxdigit( 'A' ) );
TESTCASE( isxdigit( 'F' ) );
TESTCASE( ! isxdigit( 'G' ) );
TESTCASE( ! isxdigit( '@' ) );
TESTCASE( ! isxdigit( ' ' ) );
return TEST_RESULTS;
}
#endif
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