字符串复制

#include "iostream.h"
#include "assert.h"
#include "string.h"
char* strcopy(char* strDest,const char* strSrc);

int main(){
	char* s="hello,Miss!";
	char str[20];
	int len=strlen(strcopy(str,s));
	cout<<str<<" "<<len<<endl;	
	return 0;
}

char* strcopy(char* strDest,const char* strSrc){
	assert((strDest!=NULL)&&(strSrc!=NULL));
	char *address=strDest;
	while((*strDest++=*strSrc++)!='\0')
		NULL; 
	return address;
}