main( )

{ char s1[ ]=“copy string”, s2[30];

char *p1=s1, *p2=s2;

int i;

for ( ; *p1!=‘\0’; p1++,p2++) *p2=*p1;

*p2=‘\0’;

printf(“string s2=”);

for (i=0; s2[i]!=‘\0’; i++) printf(“%c”, s2[i]); printf(“\n”); } 程序运行结果为: string s2=Copy string