有以下程序
#include <stdio.h>
#include <string.h>
void fun(char *w,int m)
{ char s, *p1, *p2;
p1=w; p2=w+m-1;
while(p1<p2){s=*p1; *p1=*p2; *p2=s; p1++; p2- -;}
}
main()
{ char a[]=”123456”;
fun(a, strlen(a)); puts(a);
}
程序运行后的输出结果是()
A.654321
B.116611
C.161616
D.123456