myprint.cpp

《C++程序设计习题及解答》配套代码VC版

// myPrint.cpp

#include "stdafx.h"
#include "myPrint.h"
#include <iostream.h>
#include <limits.h>
#include <ctype.h>

void prtLow()
{
	cout << "\n打印所有小写字母：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if ( islower( i ) )
			cout << char(i);
	cout << endl;
}

void prtAlpha()
{
	cout << "\n打印所有字母：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if ( isalpha(i) )
			cout << char(i);
	cout << endl;
}

void prtNumAlpha()
{
	cout << "\n打印所有字幕和数字：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if (isalnum(i))
			cout << char(i);
	cout << endl;
}

void prtIdenti()
{
	cout << "\n打印所有系统中C++标识符中出现的字符：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if (isalnum(i)||(i=='_'))
			cout << char(i);
	cout << endl;
}

void prtPun()
{
	cout << "\n打印所有标点符号：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if (ispunct(i))
			cout << char(i);
	cout << endl;
}

void prtAll()
{
	cout << "\n打印所有可打印字符：\n";
	for ( int i = 0; i <= CHAR_MAX; i++ )
		if (isprint(i))
			cout << char(i);
	cout << endl;
}