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