61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/***
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*ismbdgt.c - Test if character is a digit (MBCS)
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*
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* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Test if character is a digit (MBCS)
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*
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*Revision History:
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* 11-19-92 KRS Ported from 16-bit sources.
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*
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*******************************************************************************/
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#ifdef _MBCS
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#include <cruntime.h>
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#include <ctype.h>
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#include <mbdata.h>
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#include <mbctype.h>
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#include <mbstring.h>
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/***
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* _ismbcdigit - Test if character is a digit (MBCS)
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*
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*Purpose:
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* Tests the character to see if it is a digit.
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* Handles MBCS chars correctly.
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*
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* Note: Use test against 0x00FF instead of _ISLEADBYTE
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* to ensure that we don't call SBCS routine with a two-byte
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* value.
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*
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*Entry:
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* unsigned int *c = character to test
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*
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*Exit:
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* Returns TRUE if character is a digit, else FALSE
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*
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*Exceptions:
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*
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*******************************************************************************/
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int _CRTAPI1 _ismbcdigit(c)
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unsigned int c;
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{
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if (c > 0x00FF)
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#ifdef _MBCS_OS
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return (0);
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#else
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if (_mbascii)
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return ((c >= _MBDIGITLOW) && (c <= _MBDIGITHIGH));
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else
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return (0);
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#endif
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else
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return (isdigit(c));
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}
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#endif /* _MBCS */
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