ismbc.c

ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机理和API函数调用几乎相同。甚至可以兼容XP的程序。喜欢研究系统内核的人可以看一看。

#include <mbstring.h>

int _ismbbalpha(unsigned char c);
int _ismbbalnum(unsigned char c);

/*
 * @implemented
 */
int _ismbcalnum( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return _ismbbalnum(c);

	return 0;
}

/*
 * @implemented
 */
int _ismbcalpha( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return _ismbbalpha(c);

	return 0;
}

/*
 * @implemented
 */
int _ismbcdigit( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return 0;
//		return _ismbbdigit(c);

	return 0;
}

/*
 * @unimplemented
 */
int _ismbcprint( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return 0;
//		return _ismbbdigit(c);

	return 0;
}

/*
 * @unimplemented
 */
int _ismbcsymbol( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return 0;
//		return _ismbbdigit(c);

	return 0;
}

/*
 * @unimplemented
 */
int _ismbcspace( unsigned int c )
{
	if ((c & 0xFF00) != 0) {
		// true multibyte character
		return 0;
	}
	else
		return 0;
//		return _ismbbdigit(c);

	return 0;
}
/*
 * @implemented
 */
int _ismbclegal(unsigned int c)
{
	if ((c & 0xFF00) != 0) {
		return _ismbblead(c>>8) && _ismbbtrail(c&0xFF);
	}
	else
		return _ismbbtrail(c&0xFF);

	return 0;
}

/*
 * @unimplemented
 */
int _ismbcl0(unsigned int c)
{
  return 0;
}

/*
 * @unimplemented
 */
int _ismbcl1(unsigned int c)
{
  return 0;
}

/*
 * @unimplemented
 */
int _ismbcl2(unsigned int c)
{
  return 0;
}