void.cc

来自「做为SD0609的一员,我扎实的基础是如何打出来的,来看看我那时连猴子选大王都不」· CC 代码 · 共 34 行

#include <iostream>
using namespace std;

void Swap( void*p1, void*p2, int bytes );

int main(int argc, char* argv[])
{
	int i1 = 100, i2 = 200;
	double d1 = 1.1, d2 = 2.2;
	char c1 = 'x', c2 = 'y';
	Swap( &i1, &i2, sizeof(int) );
	Swap( &d1, &d2, sizeof(double) );
	Swap( &c1, &c2, sizeof(char) );
	cout << "i1=" << i1 << ",i2=" << i2 << endl;
	cout << "d1=" << d1 << ",d2=" << d2 << endl;
	cout << "c1=" << c1 << ",c2=" << c2 << endl;
	return 0;
}

void Swap( void*p1, void*p2, int bytes )
{
	char* s1 = (char*)p1;
	char* s2 = (char*)p2;
	for( int i=0; i<bytes; i++ )
	{
		char t=*s1;
		*s1 = *s2;
		*s2 = t;
		s1++;
		s2++;
	}
}