# include "stdio.h"
void main( )               
{ char a[ ]="I am a student",b[20],*p1,*p2;
int i;
p1=a;
p2=b;
 for (;*p1!='\0';p1++,p2++)
  *p2=*p1;
*p2='\0';
printf("字符串 a 是：%s\n",a);
printf("字符串 b 是：");
 for (i=0;b[i]!='\0';i++)
  printf("%c",b[i]);
  printf("\n");
}