#include "iostream.h"

#include "assert.h"                             字符复制的原形代码!

char *strcpy(char *d,char *s)               void strcpy(char *d,char *s)

{                                                           {

 char *tem;                                                while(*s!="/0")

 assert(d!=NULL&&s!=NULL);                     {*d=*s;

 tem=d;                                                             s++;

 while((*(d++)=*(s++))!='\0')                             d++;

  NULL;                                                          }

 return tem;